12751533432 has 64 divisors (see below), whose sum is σ = 38641017600. Its totient is φ = 3864100320.

The previous prime is 12751533419. The next prime is 12751533433. The reversal of 12751533432 is 23433515721.

12751533432 is a `hidden beast` number, since 1 + 2 + 75 + 153 + 3 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751533433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681028 + ... + 2685779.

It is an arithmetic number, because the mean of its divisors is an integer number (603765900).

Almost surely, 2^12751533432 is an apocalyptic number.

12751533432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12751533432 is an abundant number, since it is smaller than the sum of its proper divisors (25889484168).

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

12751533432 is a wasteful number, since it uses less digits than its factorization.

12751533432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366833 (or 5366823 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The spelling of 12751533432 in words is "twelve billion, seven hundred fifty-one million, five hundred thirty-three thousand, four hundred thirty-two".