13021320133312 has 28 divisors (see below), whose sum is σ = 25871043133096. Its totient is φ = 6502632099840.

The previous prime is 13021320133309. The next prime is 13021320133319. The reversal of 13021320133312 is 21333102312031.

13021320133312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13021320133319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125384673 + ... + 125488480.

It is an arithmetic number, because the mean of its divisors is an integer number (923965826182).

Almost surely, 2^{13021320133312} is an apocalyptic number.

It is an amenable number.

13021320133312 is a deficient number, since it is larger than the sum of its proper divisors (12849722999784).

13021320133312 is an equidigital number, since it uses as much as digits as its factorization.

13021320133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250873976 (or 250873966 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13021320133312 its reverse (21333102312031), we get a palindrome (34354422445343).

The spelling of 13021320133312 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, one hundred thirty-three thousand, three hundred twelve".