12156710697 has 24 divisors (see below), whose sum is σ = 18371119104. Its totient is φ = 7731814464.

The previous prime is 12156710689. The next prime is 12156710711. The reversal of 12156710697 is 79601765121.

12156710697 is a `hidden beast` number, since 1 + 21 + 567 + 1 + 0 + 69 + 7 = 666.

12156710697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12156710697 - 2³ = 12156710689 is a prime.

It is a super-2 number, since 2×12156710697² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12156710497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2613 + ... + 155949.

It is an arithmetic number, because the mean of its divisors is an integer number (765463296).

Almost surely, 2^12156710697 is an apocalyptic number.

It is an amenable number.

12156710697 is a deficient number, since it is larger than the sum of its proper divisors (6214408407).

12156710697 is a wasteful number, since it uses less digits than its factorization.

12156710697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153749 (or 153746 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The spelling of 12156710697 in words is "twelve billion, one hundred fifty-six million, seven hundred ten thousand, six hundred ninety-seven".