13321131121012 has 48 divisors (see below), whose sum is σ = 27427135748544. Its totient is φ = 5581196928000.

The previous prime is 13321131120991. The next prime is 13321131121033. The reversal of 13321131121012 is 21012113112331.

It is an interprime number because it is at equal distance from previous prime (13321131120991) and next prime (13321131121033).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 16456189 + ... + 17246692.

It is an arithmetic number, because the mean of its divisors is an integer number (571398661428).

Almost surely, 2^{13321131121012} is an apocalyptic number.

It is an amenable number.

13321131121012 is an abundant number, since it is smaller than the sum of its proper divisors (14106004627532).

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

13321131121012 is a wasteful number, since it uses less digits than its factorization.

13321131121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33703600 (or 33703598 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13321131121012 its reverse (21012113112331), we get a palindrome (34333244233343).

The spelling of 13321131121012 in words is "thirteen trillion, three hundred twenty-one billion, one hundred thirty-one million, one hundred twenty-one thousand, twelve".