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212013334131220 = 22596632310970107
BaseRepresentation
bin110000001101001100110011…
…011101111111001000010100
31000210200021110210020012200201
4300031030303131333020110
5210242111302014144340
62030525325304150244
762441313030510256
oct6015146335771024
91023607423205621
10212013334131220
1161610393a39306
121b941730768384
13913ba0533b72b
143a4d7004a7cd6
151979e4791379a
hexc0d33377f214

212013334131220 has 24 divisors (see below), whose sum is σ = 445228503005664. Its totient is φ = 84805238161056.

The previous prime is 212013334131211. The next prime is 212013334131239. The reversal of 212013334131220 is 22131433310212.

212013334131220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13841407 + ... + 24811513.

It is an arithmetic number, because the mean of its divisors is an integer number (18551187625236).

Almost surely, 2212013334131220 is an apocalyptic number.

212013334131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212013334131220 is an abundant number, since it is smaller than the sum of its proper divisors (233215168874444).

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

212013334131220 is a wasteful number, since it uses less digits than its factorization.

212013334131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11936439 (or 11936437 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 212013334131220 its reverse (22131433310212), we get a palindrome (234144767441432).

The spelling of 212013334131220 in words is "two hundred twelve trillion, thirteen billion, three hundred thirty-four million, one hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 966323 1932646 3865292 4831615 9663230 10970107 19326460 21940214 43880428 54850535 109701070 219402140 10600666706561 21201333413122 42402666826244 53003333532805 106006667065610 212013334131220