12001520612 has 24 divisors (see below), whose sum is σ = 21920390016. Its totient is φ = 5738660928.

The previous prime is 12001520569. The next prime is 12001520621. The reversal of 12001520612 is 21602510021.

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, 561473 + ... + 582455.

It is an arithmetic number, because the mean of its divisors is an integer number (913349584).

Almost surely, 2^12001520612 is an apocalyptic number.

It is an amenable number.

12001520612 is a deficient number, since it is larger than the sum of its proper divisors (9918869404).

12001520612 is a wasteful number, since it uses less digits than its factorization.

12001520612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27227 (or 27225 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The spelling of 12001520612 in words is "twelve billion, one million, five hundred twenty thousand, six hundred twelve".