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212232103122 = 23137997355073
BaseRepresentation
bin1100010110101000000…
…1001110010011010010
3202021210211010220110210
43011222001032103102
511434122404244442
6241255330304550
721222211053144
oct3055201162322
9667724126423
10212232103122
1182009542336
1235170128156
131702359b310
14a3b487ac94
1557c229119c
hex316a04e4d2

212232103122 has 64 divisors (see below), whose sum is σ = 467675066880. Its totient is φ = 63810699264.

The previous prime is 212232103033. The next prime is 212232103159. The reversal of 212232103122 is 221301232212.

212232103122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420178 + ... + 775250.

It is an arithmetic number, because the mean of its divisors is an integer number (7307422920).

Almost surely, 2212232103122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212232103122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233837533440).

212232103122 is an abundant number, since it is smaller than the sum of its proper divisors (255442963758).

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

212232103122 is a wasteful number, since it uses less digits than its factorization.

212232103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355267.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212232103122 its reverse (221301232212), we get a palindrome (433533335334).

The spelling of 212232103122 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred three thousand, one hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 79 97 158 194 237 291 474 582 1027 1261 2054 2522 3081 3783 6162 7566 7663 15326 22989 45978 99619 199238 298857 355073 597714 710146 1065219 2130438 4615949 9231898 13847847 27695694 28050767 34442081 56101534 68884162 84152301 103326243 168304602 206652486 364659971 447747053 729319942 895494106 1093979913 1343241159 2187959826 2686482318 2720924399 5441848798 8162773197 16325546394 35372017187 70744034374 106116051561 212232103122