12875464128 has 28 divisors (see below), whose sum is σ = 34066332680. Its totient is φ = 4291821312.

The previous prime is 12875464123. The next prime is 12875464181. The reversal of 12875464128 is 82146457821.

It is a happy number.

It is a super-2 number, since 2×12875464128² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12875464123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33529663 + ... + 33530046.

Almost surely, 2^12875464128 is an apocalyptic number.

It is an amenable number.

12875464128 is an abundant number, since it is smaller than the sum of its proper divisors (21190868552).

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

12875464128 is an equidigital number, since it uses as much as digits as its factorization.

12875464128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67059724 (or 67059714 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The spelling of 12875464128 in words is "twelve billion, eight hundred seventy-five million, four hundred sixty-four thousand, one hundred twenty-eight".