12870024732 has 36 divisors (see below), whose sum is σ = 33065888856. Its totient is φ = 4219679520.

The previous prime is 12870024719. The next prime is 12870024751. The reversal of 12870024732 is 23742007821.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2928138 + ... + 2932529.

Almost surely, 2^12870024732 is an apocalyptic number.

12870024732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12870024732 is an abundant number, since it is smaller than the sum of its proper divisors (20195864124).

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

12870024732 is a wasteful number, since it uses less digits than its factorization.

12870024732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860738 (or 5860733 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 12870024732 in words is "twelve billion, eight hundred seventy million, twenty-four thousand, seven hundred thirty-two".