12356135616 has 56 divisors (see below), whose sum is σ = 35664306624. Its totient is φ = 3744282880.

The previous prime is 12356135591. The next prime is 12356135633. The reversal of 12356135616 is 61653165321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923110 + ... + 2927333.

Almost surely, 2^12356135616 is an apocalyptic number.

12356135616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12356135616 is an abundant number, since it is smaller than the sum of its proper divisors (23308171008).

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

12356135616 is a wasteful number, since it uses less digits than its factorization.

12356135616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850469 (or 5850459 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The spelling of 12356135616 in words is "twelve billion, three hundred fifty-six million, one hundred thirty-five thousand, six hundred sixteen".