12156710696 has 64 divisors (see below), whose sum is σ = 24998803200. Its totient is φ = 5507843328.

The previous prime is 12156710689. The next prime is 12156710711. The reversal of 12156710696 is 69601765121.

It is a super-2 number, since 2×12156710696² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8141726 + ... + 8143218.

It is an arithmetic number, because the mean of its divisors is an integer number (390606300).

Almost surely, 2^12156710696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12156710696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12499401600).

12156710696 is an abundant number, since it is smaller than the sum of its proper divisors (12842092504).

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

12156710696 is a wasteful number, since it uses less digits than its factorization.

12156710696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 12156710696 in words is "twelve billion, one hundred fifty-six million, seven hundred ten thousand, six hundred ninety-six".