12659612880 has 40 divisors (see below), whose sum is σ = 39244800672. Its totient is φ = 3375896704.

The previous prime is 12659612851. The next prime is 12659612899. The reversal of 12659612880 is 8821695621.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26373954 + ... + 26374433.

Almost surely, 2^12659612880 is an apocalyptic number.

12659612880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12659612880 is an abundant number, since it is smaller than the sum of its proper divisors (26585187792).

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

12659612880 is a wasteful number, since it uses less digits than its factorization.

12659612880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52748403 (or 52748397 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 12659612880 in words is "twelve billion, six hundred fifty-nine million, six hundred twelve thousand, eight hundred eighty".