12213993008 has 20 divisors (see below), whose sum is σ = 27045270480. Its totient is φ = 5234568384.

The previous prime is 12213992981. The next prime is 12213993031. The reversal of 12213993008 is 80039931221.

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, 54526643 + ... + 54526866.

It is an arithmetic number, because the mean of its divisors is an integer number (1352263524).

Almost surely, 2^12213993008 is an apocalyptic number.

It is an amenable number.

12213993008 is an abundant number, since it is smaller than the sum of its proper divisors (14831277472).

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

12213993008 is a wasteful number, since it uses less digits than its factorization.

12213993008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109053524 (or 109053518 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 12213993008 in words is "twelve billion, two hundred thirteen million, nine hundred ninety-three thousand, eight".