Search a number
-
+
1021020202212 = 223174894865059
BaseRepresentation
bin11101101101110011000…
…10111110010011100100
310121121102122122100001220
432312321202332103210
5113212022132432322
62101014502220340
7133523555344263
oct16667142762344
93547378570056
101021020202212
11364015316a3a
12145a697246b0
1375388134b0a
14375bc0185da
151b85bd5455c
hexedb98be4e4

1021020202212 has 24 divisors (see below), whose sum is σ = 2382517183200. Its totient is φ = 340320537216.

The previous prime is 1021020202207. The next prime is 1021020202229. The reversal of 1021020202212 is 2122020201201.

It is a junction number, because it is equal to n+sod(n) for n = 1021020202191 and 1021020202200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222662 + ... + 2642397.

It is an arithmetic number, because the mean of its divisors is an integer number (99271549300).

Almost surely, 21021020202212 is an apocalyptic number.

1021020202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021020202212 is an abundant number, since it is smaller than the sum of its proper divisors (1361496980988).

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

1021020202212 is a wasteful number, since it uses less digits than its factorization.

1021020202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882555 (or 4882553 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1021020202212 its reverse (2122020201201), we get a palindrome (3143040403413).

The spelling of 1021020202212 in words is "one trillion, twenty-one billion, twenty million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17489 34978 52467 69956 104934 209868 4865059 9730118 14595177 19460236 29190354 58380708 85085016851 170170033702 255255050553 340340067404 510510101106 1021020202212