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12321106188 = 2236841150089
BaseRepresentation
bin10110111100110010…
…10010100100001100
31011210200100001020020
423132121102210030
5200213200344223
65354340022140
7614220450246
oct133631224414
934720301206
1012321106188
115252a41496
12247a391950
1312148423a1
1484c527096
154c1a4d1e3
hex2de65290c

12321106188 has 24 divisors (see below), whose sum is σ = 28753641840. Its totient is φ = 4106407680.

The previous prime is 12321106183. The next prime is 12321106207. The reversal of 12321106188 is 88160112321.

It is not an unprimeable number, because it can be changed into a prime (12321106183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7048 + ... + 157136.

It is an arithmetic number, because the mean of its divisors is an integer number (1198068410).

Almost surely, 212321106188 is an apocalyptic number.

It is an amenable number.

12321106188 is an abundant number, since it is smaller than the sum of its proper divisors (16432535652).

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

12321106188 is a wasteful number, since it uses less digits than its factorization.

12321106188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156937 (or 156935 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 12321106188 in words is "twelve billion, three hundred twenty-one million, one hundred six thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 6841 13682 20523 27364 41046 82092 150089 300178 450267 600356 900534 1801068 1026758849 2053517698 3080276547 4107035396 6160553094 12321106188