12397798076 has 12 divisors (see below), whose sum is σ = 21910960680. Its totient is φ = 6137523600.

The previous prime is 12397798069. The next prime is 12397798081. The reversal of 12397798076 is 67089779321.

It is a congruent number.

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, 15343406 + ... + 15344213.

It is an arithmetic number, because the mean of its divisors is an integer number (1825913390).

Almost surely, 2^12397798076 is an apocalyptic number.

It is an amenable number.

12397798076 is a deficient number, since it is larger than the sum of its proper divisors (9513162604).

12397798076 is a wasteful number, since it uses less digits than its factorization.

12397798076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30687724 (or 30687722 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 59.

The spelling of 12397798076 in words is "twelve billion, three hundred ninety-seven million, seven hundred ninety-eight thousand, seventy-six".