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20001202011012 = 22347731597304193
BaseRepresentation
bin1001000110000111001001…
…00010100111101110000100
32121211002121011020222210010
410203003210202213232010
510110144430203323022
6110312231513230220
74133016300654105
oct443034442475604
977732534228703
1020001202011012
11641150a117772
1222b044a102370
13b2114a330661
144d20c5b523ac
1524a42566c50c
hex1230e48a7b84

20001202011012 has 96 divisors (see below), whose sum is σ = 48345761705472. Its totient is φ = 6431777243136.

The previous prime is 20001202010969. The next prime is 20001202011079. The reversal of 20001202011012 is 21011020210002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65599588 + ... + 65903780.

It is an arithmetic number, because the mean of its divisors is an integer number (503601684432).

Almost surely, 220001202011012 is an apocalyptic number.

It is an amenable number.

20001202011012 is an abundant number, since it is smaller than the sum of its proper divisors (28344559694460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20001202011012 is a wasteful number, since it uses less digits than its factorization.

20001202011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305917 (or 305915 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20001202011012 its reverse (21011020210002), we get a palindrome (41012222221014).

The spelling of 20001202011012 in words is "twenty trillion, one billion, two hundred two million, eleven thousand, twelve".

Divisors: 1 2 3 4 6 12 47 73 94 141 146 188 219 282 292 438 564 876 1597 3194 3431 4791 6388 6862 9582 10293 13724 19164 20586 41172 75059 116581 150118 225177 233162 300236 304193 349743 450354 466324 608386 699486 900708 912579 1216772 1398972 1825158 3650316 5479307 10958614 14297071 16437921 21917228 22206089 28594142 32875842 42891213 44412178 57188284 65751684 66618267 85782426 88824356 133236534 171564852 266473068 485796221 971592442 1043686183 1457388663 1943184884 2087372366 2914777326 3131058549 4174744732 5829554652 6262117098 12524234196 22832422387 35463124133 45664844774 68497267161 70926248266 91329689548 106389372399 136994534322 141852496532 212778744798 273989068644 425557489596 1666766834251 3333533668502 5000300502753 6667067337004 10000601005506 20001202011012