12016565064424 has 16 divisors (see below), whose sum is σ = 22531225306500. Its totient is φ = 6008238316032.

The previous prime is 12016565064401. The next prime is 12016565064451. The reversal of 12016565064424 is 42446056561021.

It can be written as a sum of positive squares in 2 ways, for example, as 12007403128900 + 9161935524 = 3465170^2 + 95718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4357449 + ... + 6559000.

Almost surely, 2^{12016565064424} is an apocalyptic number.

It is an amenable number.

12016565064424 is a deficient number, since it is larger than the sum of its proper divisors (10514660242076).

12016565064424 is a wasteful number, since it uses less digits than its factorization.

12016565064424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054052 (or 11054048 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 12016565064424 in words is "twelve trillion, sixteen billion, five hundred sixty-five million, sixty-four thousand, four hundred twenty-four".