13121203321112 has 16 divisors (see below), whose sum is σ = 24606932652000. Its totient is φ = 6559354613920.

The previous prime is 13121203321097. The next prime is 13121203321123. The reversal of 13121203321112 is 21112330212131.

It is a happy number.

13121203321112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155836112 + ... + 155920287.

It is an arithmetic number, because the mean of its divisors is an integer number (1537933290750).

Almost surely, 2^{13121203321112} is an apocalyptic number.

It is an amenable number.

13121203321112 is a deficient number, since it is larger than the sum of its proper divisors (11485729330888).

13121203321112 is a wasteful number, since it uses less digits than its factorization.

13121203321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311761666 (or 311761662 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13121203321112 its reverse (21112330212131), we get a palindrome (34233533533243).

The spelling of 13121203321112 in words is "thirteen trillion, one hundred twenty-one billion, two hundred three million, three hundred twenty-one thousand, one hundred twelve".