12911437412 has 12 divisors (see below), whose sum is σ = 23577407616. Its totient is φ = 6175035240.

The previous prime is 12911437397. The next prime is 12911437447. The reversal of 12911437412 is 21473411921.

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, 70170764 + ... + 70170947.

It is an arithmetic number, because the mean of its divisors is an integer number (1964783968).

Almost surely, 2^12911437412 is an apocalyptic number.

It is an amenable number.

12911437412 is a deficient number, since it is larger than the sum of its proper divisors (10665970204).

12911437412 is a wasteful number, since it uses less digits than its factorization.

12911437412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140341738 (or 140341736 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The spelling of 12911437412 in words is "twelve billion, nine hundred eleven million, four hundred thirty-seven thousand, four hundred twelve".