12571251648432 has 80 divisors (see below), whose sum is σ = 32635711046880. Its totient is φ = 4169795328000.

The previous prime is 12571251648427. The next prime is 12571251648541. The reversal of 12571251648432 is 23484615217521.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19479082 + ... + 20114102.

It is an arithmetic number, because the mean of its divisors is an integer number (407946388086).

Almost surely, 2^{12571251648432} is an apocalyptic number.

12571251648432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12571251648432 is an abundant number, since it is smaller than the sum of its proper divisors (20064459398448).

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

12571251648432 is a wasteful number, since it uses less digits than its factorization.

12571251648432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637062 (or 637056 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 51.

The spelling of 12571251648432 in words is "twelve trillion, five hundred seventy-one billion, two hundred fifty-one million, six hundred forty-eight thousand, four hundred thirty-two".