12312193734 has 12 divisors (see below), whose sum is σ = 26676419796. Its totient is φ = 4104064572.

The previous prime is 12312193721. The next prime is 12312193759. The reversal of 12312193734 is 43739121321.

It is a super-2 number, since 2×12312193734² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342005364 + ... + 342005399.

It is an arithmetic number, because the mean of its divisors is an integer number (2223034983).

Almost surely, 2^12312193734 is an apocalyptic number.

12312193734 is an abundant number, since it is smaller than the sum of its proper divisors (14364226062).

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

12312193734 is a wasteful number, since it uses less digits than its factorization.

12312193734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684010771 (or 684010768 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The spelling of 12312193734 in words is "twelve billion, three hundred twelve million, one hundred ninety-three thousand, seven hundred thirty-four".