12512021192 has 32 divisors (see below), whose sum is σ = 25680170880. Its totient is φ = 5667860160.

The previous prime is 12512021177. The next prime is 12512021201. The reversal of 12512021192 is 29112021521.

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, 216848 + ... + 268415.

It is an arithmetic number, because the mean of its divisors is an integer number (802505340).

Almost surely, 2^12512021192 is an apocalyptic number.

It is an amenable number.

12512021192 is an abundant number, since it is smaller than the sum of its proper divisors (13168149688).

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

12512021192 is a wasteful number, since it uses less digits than its factorization.

12512021192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485573 (or 485569 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 12512021192 in words is "twelve billion, five hundred twelve million, twenty-one thousand, one hundred ninety-two".