12156807701 has 8 divisors (see below), whose sum is σ = 12418581504. Its totient is φ = 11895163920.

The previous prime is 12156807679. The next prime is 12156807703. The reversal of 12156807701 is 10770865121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12156807701 - 2¹⁰ = 12156806677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12156807703) 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, 169916 + ... + 230618.

It is an arithmetic number, because the mean of its divisors is an integer number (1552322688).

Almost surely, 2^12156807701 is an apocalyptic number.

It is an amenable number.

12156807701 is a deficient number, since it is larger than the sum of its proper divisors (261773803).

12156807701 is an equidigital number, since it uses as much as digits as its factorization.

12156807701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65011.

The product of its (nonzero) digits is 23520, while the sum is 38.

The spelling of 12156807701 in words is "twelve billion, one hundred fifty-six million, eight hundred seven thousand, seven hundred one".