12972863600 has 30 divisors (see below), whose sum is σ = 31167305760. Its totient is φ = 5189145280.

The previous prime is 12972863599. The next prime is 12972863609. The reversal of 12972863600 is 636827921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12972863609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16215680 + ... + 16216479.

It is an arithmetic number, because the mean of its divisors is an integer number (1038910192).

Almost surely, 2^12972863600 is an apocalyptic number.

12972863600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12972863600 is an abundant number, since it is smaller than the sum of its proper divisors (18194442160).

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

12972863600 is a wasteful number, since it uses less digits than its factorization.

12972863600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32432177 (or 32432166 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 12972863600 in words is "twelve billion, nine hundred seventy-two million, eight hundred sixty-three thousand, six hundred".