12580401951 has 32 divisors (see below), whose sum is σ = 20078858240. Its totient is φ = 7738869600.

The previous prime is 12580401943. The next prime is 12580401973. The reversal of 12580401951 is 15910408521.

12580401951 is a `hidden beast` number, since 12 + 580 + 4 + 0 + 19 + 51 = 666.

It is not a de Polignac number, because 12580401951 - 2³ = 12580401943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12580401991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1269546 + ... + 1279416.

It is an arithmetic number, because the mean of its divisors is an integer number (627464320).

Almost surely, 2^12580401951 is an apocalyptic number.

12580401951 is a deficient number, since it is larger than the sum of its proper divisors (7498456289).

12580401951 is a wasteful number, since it uses less digits than its factorization.

12580401951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13524 (or 13518 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The spelling of 12580401951 in words is "twelve billion, five hundred eighty million, four hundred one thousand, nine hundred fifty-one".