12872740032 has 84 divisors (see below), whose sum is σ = 36918539320. Its totient is φ = 4288453632.

The previous prime is 12872740031. The next prime is 12872740033. The reversal of 12872740032 is 23004727821.

It is an interprime number because it is at equal distance from previous prime (12872740031) and next prime (12872740033).

It is a super-2 number, since 2×12872740032² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (12872740031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1194444 + ... + 1205172.

Almost surely, 2^12872740032 is an apocalyptic number.

12872740032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12872740032 is an abundant number, since it is smaller than the sum of its proper divisors (24045799288).

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

12872740032 is a wasteful number, since it uses less digits than its factorization.

12872740032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12830 (or 12817 counting only the distinct ones).

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

The spelling of 12872740032 in words is "twelve billion, eight hundred seventy-two million, seven hundred forty thousand, thirty-two".