12347945968 has 20 divisors (see below), whose sum is σ = 24964326288. Its totient is φ = 5905539200.

The previous prime is 12347945963. The next prime is 12347945969. The reversal of 12347945968 is 86954974321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347945963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16776733 + ... + 16777468.

Almost surely, 2^12347945968 is an apocalyptic number.

It is an amenable number.

12347945968 is an abundant number, since it is smaller than the sum of its proper divisors (12616380320).

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

12347945968 is a wasteful number, since it uses less digits than its factorization.

12347945968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33554232 (or 33554226 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The spelling of 12347945968 in words is "twelve billion, three hundred forty-seven million, nine hundred forty-five thousand, nine hundred sixty-eight".