13121321213330 has 64 divisors (see below), whose sum is σ = 26121688963200. Its totient is φ = 4705445445120.

The previous prime is 13121321213309. The next prime is 13121321213353. The reversal of 13121321213330 is 3331212312131.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13121321213330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67587941 + ... + 67781799.

It is an arithmetic number, because the mean of its divisors is an integer number (408151390050).

Almost surely, 2^{13121321213330} is an apocalyptic number.

13121321213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121321213330 is a deficient number, since it is larger than the sum of its proper divisors (13000367749870).

13121321213330 is a wasteful number, since it uses less digits than its factorization.

13121321213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202379.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13121321213330 its reverse (3331212312131), we get a palindrome (16452533525461).

The spelling of 13121321213330 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred thirteen thousand, three hundred thirty".