13121201213212 has 12 divisors (see below), whose sum is σ = 22976718367176. Its totient is φ = 6556424536880.

The previous prime is 13121201213209. The next prime is 13121201213231. The reversal of 13121201213212 is 21231210212131.

It is a happy number.

13121201213212 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, 1044010363 + ... + 1044022930.

It is an arithmetic number, because the mean of its divisors is an integer number (1914726530598).

Almost surely, 2^{13121201213212} is an apocalyptic number.

It is an amenable number.

13121201213212 is a deficient number, since it is larger than the sum of its proper divisors (9855517153964).

13121201213212 is a wasteful number, since it uses less digits than its factorization.

13121201213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088034868 (or 2088034866 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13121201213212 its reverse (21231210212131), we get a palindrome (34352411425343).

The spelling of 13121201213212 in words is "thirteen trillion, one hundred twenty-one billion, two hundred one million, two hundred thirteen thousand, two hundred twelve".