12929520272 has 80 divisors (see below), whose sum is σ = 27155761920. Its totient is φ = 5940332544.

The previous prime is 12929520257. The next prime is 12929520277. The reversal of 12929520272 is 27202592921.

It is not an unprimeable number, because it can be changed into a prime (12929520277) 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, 6506063 + ... + 6508049.

It is an arithmetic number, because the mean of its divisors is an integer number (339447024).

Almost surely, 2^12929520272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12929520272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13577880960).

12929520272 is an abundant number, since it is smaller than the sum of its proper divisors (14226241648).

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

12929520272 is a wasteful number, since it uses less digits than its factorization.

12929520272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 12929520272 in words is "twelve billion, nine hundred twenty-nine million, five hundred twenty thousand, two hundred seventy-two".