13121130320212 has 48 divisors (see below), whose sum is σ = 23326251177600. Its totient is φ = 6457369275392.

The previous prime is 13121130320203. The next prime is 13121130320273. The reversal of 13121130320212 is 21202303112131.

13121130320212 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 15 ways as a sum of consecutive naturals, for example, 79099863 + ... + 79265569.

It is an arithmetic number, because the mean of its divisors is an integer number (485963566200).

Almost surely, 2^{13121130320212} is an apocalyptic number.

It is an amenable number.

13121130320212 is a deficient number, since it is larger than the sum of its proper divisors (10205120857388).

13121130320212 is a wasteful number, since it uses less digits than its factorization.

13121130320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167040 (or 167038 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13121130320212 its reverse (21202303112131), we get a palindrome (34323433432343).

The spelling of 13121130320212 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty million, three hundred twenty thousand, two hundred twelve".