13021331331200 has 48 divisors (see below), whose sum is σ = 32166757562010. Its totient is φ = 5208532531200.

The previous prime is 13021331331167. The next prime is 13021331331227. The reversal of 13021331331200 is 213313312031.

It can be written as a sum of positive squares in 3 ways, for example, as 11463208261696 + 1558123069504 = 3385736^2 + 1248248^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2034579821 + ... + 2034586220.

Almost surely, 2^{13021331331200} is an apocalyptic number.

13021331331200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021331331200 is an abundant number, since it is smaller than the sum of its proper divisors (19145426230810).

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

13021331331200 is an equidigital number, since it uses as much as digits as its factorization.

13021331331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069166065 (or 4069166048 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13021331331200 its reverse (213313312031), we get a palindrome (13234644643231).

The spelling of 13021331331200 in words is "thirteen trillion, twenty-one billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred".