12011932012 has 48 divisors (see below), whose sum is σ = 23826096000. Its totient is φ = 5264365824.

The previous prime is 12011931977. The next prime is 12011932019. The reversal of 12011932012 is 21023911021.

It is not an unprimeable number, because it can be changed into a prime (12011932019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2562 + ... + 155017.

It is an arithmetic number, because the mean of its divisors is an integer number (496377000).

Almost surely, 2^12011932012 is an apocalyptic number.

It is an amenable number.

12011932012 is a deficient number, since it is larger than the sum of its proper divisors (11814163988).

12011932012 is a wasteful number, since it uses less digits than its factorization.

12011932012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157678 (or 157676 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 12011932012 in words is "twelve billion, eleven million, nine hundred thirty-two thousand, twelve".