13121010032330 has 16 divisors (see below), whose sum is σ = 23669498193480. Its totient is φ = 5236919538432.

The previous prime is 13121010032323. The next prime is 13121010032341. The reversal of 13121010032330 is 3323001012131.

It can be written as a sum of positive squares in 4 ways, for example, as 11712404230921 + 1408605801409 = 3422339^2 + 1186847^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435554515 + ... + 1435563654.

Almost surely, 2^{13121010032330} is an apocalyptic number.

13121010032330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121010032330 is a deficient number, since it is larger than the sum of its proper divisors (10548488161150).

13121010032330 is a wasteful number, since it uses less digits than its factorization.

13121010032330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871118633.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13121010032330 its reverse (3323001012131), we get a palindrome (16444011044461).

The spelling of 13121010032330 in words is "thirteen trillion, one hundred twenty-one billion, ten million, thirty-two thousand, three hundred thirty".