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12312502122 = 2322386310663
BaseRepresentation
bin10110111011110000…
…11101111101101010
31011210002010220200010
423131320131331222
5200204000031442
65353431352350
7614054353434
oct133570357552
934702126603
1012312502122
1152490a5098
1224775226b6
131212b1c01b
1484b327654
154c0dedb9c
hex2dde1df6a

12312502122 has 32 divisors (see below), whose sum is σ = 24766414848. Its totient is φ = 4080645936.

The previous prime is 12312502079. The next prime is 12312502123. The reversal of 12312502122 is 22120521321.

It is not an unprimeable number, because it can be changed into a prime (12312502123) 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, 1149363 + ... + 1160025.

It is an arithmetic number, because the mean of its divisors is an integer number (773950464).

Almost surely, 212312502122 is an apocalyptic number.

12312502122 is an abundant number, since it is smaller than the sum of its proper divisors (12453912726).

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

12312502122 is a wasteful number, since it uses less digits than its factorization.

12312502122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11754.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 12312502122 in words is "twelve billion, three hundred twelve million, five hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 223 446 669 863 1338 1726 2589 5178 10663 21326 31989 63978 192449 384898 577347 1154694 2377849 4755698 7133547 9202169 14267094 18404338 27606507 55213014 2052083687 4104167374 6156251061 12312502122