Search a number
-
+
212022101201212 = 224716367310280651
BaseRepresentation
bin110000001101010100111110…
…000001101101000100111100
31000210201010002210000111210201
4300031110332001231010330
5210242232230401414322
62030533335245013244
762442043214413141
oct6015247601550474
91023633083014721
10212022101201212
11616140827a57a5
121b943378854224
13913c7a1774c03
143a4dcd29a83c8
15197a2ac42dd27
hexc0d53e06d13c

212022101201212 has 48 divisors (see below), whose sum is σ = 381824402222592. Its totient is φ = 102965726707200.

The previous prime is 212022101201161. The next prime is 212022101201213. The reversal of 212022101201212 is 212102101220212.

It is a self number, because there is not a number n which added to its sum of digits gives 212022101201212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212022101201213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15483087 + ... + 25763737.

It is an arithmetic number, because the mean of its divisors is an integer number (7954675046304).

Almost surely, 2212022101201212 is an apocalyptic number.

It is an amenable number.

212022101201212 is a deficient number, since it is larger than the sum of its proper divisors (169802301021380).

212022101201212 is a wasteful number, since it uses less digits than its factorization.

212022101201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281538 (or 10281536 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212022101201212 its reverse (212102101220212), we get a palindrome (424124202421424).

The spelling of 212022101201212 in words is "two hundred twelve trillion, twenty-two billion, one hundred one million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 47 94 163 188 326 652 673 1346 2692 7661 15322 30644 31631 63262 109699 126524 219398 438796 5155853 10280651 10311706 20561302 20623412 41122604 483190597 966381194 1675746113 1932762388 3351492226 6702984452 6918878123 13837756246 27675512492 78760067311 157520134622 315040269244 325187271781 650374543562 1127777134049 1300749087124 2255554268098 4511108536196 53005525300303 106011050600606 212022101201212