12929275560 has 128 divisors (see below), whose sum is σ = 40142044800. Its totient is φ = 3328865280.

The previous prime is 12929275559. The next prime is 12929275571. The reversal of 12929275560 is 6557292921.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570526 + ... + 592754.

It is an arithmetic number, because the mean of its divisors is an integer number (313609725).

Almost surely, 2^12929275560 is an apocalyptic number.

12929275560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12929275560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20071022400).

12929275560 is an abundant number, since it is smaller than the sum of its proper divisors (27212769240).

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

12929275560 is a wasteful number, since it uses less digits than its factorization.

12929275560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22411 (or 22407 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 12929275560 in words is "twelve billion, nine hundred twenty-nine million, two hundred seventy-five thousand, five hundred sixty".