13012312220232 has 64 divisors (see below), whose sum is σ = 35123208120000. Its totient is φ = 3993495823104.

The previous prime is 13012312220227. The next prime is 13012312220239. The reversal of 13012312220232 is 23202221321031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13012312220239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53485482 + ... + 53728217.

It is an arithmetic number, because the mean of its divisors is an integer number (548800126875).

Almost surely, 2^{13012312220232} is an apocalyptic number.

13012312220232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13012312220232 is an abundant number, since it is smaller than the sum of its proper divisors (22110895899768).

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

13012312220232 is a wasteful number, since it uses less digits than its factorization.

13012312220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107214110 (or 107214106 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13012312220232 its reverse (23202221321031), we get a palindrome (36214533541263).

The spelling of 13012312220232 in words is "thirteen trillion, twelve billion, three hundred twelve million, two hundred twenty thousand, two hundred thirty-two".