12930991488 has 48 divisors (see below), whose sum is σ = 37210278300. Its totient is φ = 4310330112.

The previous prime is 12930991459. The next prime is 12930991501. The reversal of 12930991488 is 88419903921.

12930991488 is a `hidden beast` number, since 129 + 30 + 9 + 9 + 1 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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, 5611258 + ... + 5613561.

Almost surely, 2^12930991488 is an apocalyptic number.

12930991488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12930991488 is an abundant number, since it is smaller than the sum of its proper divisors (24279286812).

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

12930991488 is a wasteful number, since it uses less digits than its factorization.

12930991488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11224839 (or 11224824 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 12930991488 in words is "twelve billion, nine hundred thirty million, nine hundred ninety-one thousand, four hundred eighty-eight".