12801359232 has 160 divisors (see below), whose sum is σ = 39326548800. Its totient is φ = 4129367040.

The previous prime is 12801359177. The next prime is 12801359237. The reversal of 12801359232 is 23295310821.

12801359232 is a `hidden beast` number, since 1 + 28 + 0 + 13 + 592 + 32 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12801359237) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 301494 + ... + 341322.

It is an arithmetic number, because the mean of its divisors is an integer number (245790930).

Almost surely, 2^12801359232 is an apocalyptic number.

12801359232 is a gapful number since it is divisible by the number (12) 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 12801359232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19663274400).

12801359232 is an abundant number, since it is smaller than the sum of its proper divisors (26525189568).

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

12801359232 is an equidigital number, since it uses as much as digits as its factorization.

12801359232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39886 (or 39865 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 12801359232 in words is "twelve billion, eight hundred one million, three hundred fifty-nine thousand, two hundred thirty-two".