13121213112330 has 32 divisors (see below), whose sum is σ = 31496092185600. Its totient is φ = 3498414528192.

The previous prime is 13121213112277. The next prime is 13121213112349. The reversal of 13121213112330 is 3321131212131.

It is a self number, because there is not a number n which added to its sum of digits gives 13121213112330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35791785 + ... + 36156524.

It is an arithmetic number, because the mean of its divisors is an integer number (984252880800).

Almost surely, 2^{13121213112330} is an apocalyptic number.

13121213112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121213112330 is an abundant number, since it is smaller than the sum of its proper divisors (18374879073270).

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

13121213112330 is a wasteful number, since it uses less digits than its factorization.

13121213112330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71954398.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13121213112330 its reverse (3321131212131), we get a palindrome (16442344324461).

The spelling of 13121213112330 in words is "thirteen trillion, one hundred twenty-one billion, two hundred thirteen million, one hundred twelve thousand, three hundred thirty".