12900951693 has 12 divisors (see below), whose sum is σ = 21296809248. Its totient is φ = 7371972360.

The previous prime is 12900951691. The next prime is 12900951703. The reversal of 12900951693 is 39615900921.

It is a happy number.

12900951693 is a `hidden beast` number, since 129 + 0 + 0 + 9 + 516 + 9 + 3 = 666.

It is not a de Polignac number, because 12900951693 - 2¹ = 12900951691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12900951691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102388443 + ... + 102388568.

It is an arithmetic number, because the mean of its divisors is an integer number (1774734104).

Almost surely, 2^12900951693 is an apocalyptic number.

It is an amenable number.

12900951693 is a deficient number, since it is larger than the sum of its proper divisors (8395857555).

12900951693 is a wasteful number, since it uses less digits than its factorization.

12900951693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204777024 (or 204777021 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 12900951693 in words is "twelve billion, nine hundred million, nine hundred fifty-one thousand, six hundred ninety-three".