7913133321212 has 24 divisors (see below), whose sum is σ = 15828975555456. Its totient is φ = 3390762370608.

The previous prime is 7913133321199. The next prime is 7913133321257. The reversal of 7913133321212 is 2121233313197.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24020198 + ... + 24347405.

It is an arithmetic number, because the mean of its divisors is an integer number (659540648144).

Almost surely, 2^{7913133321212} is an apocalyptic number.

It is an amenable number.

7913133321212 is an abundant number, since it is smaller than the sum of its proper divisors (7915842234244).

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

7913133321212 is a wasteful number, since it uses less digits than its factorization.

7913133321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48373457 (or 48373455 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The spelling of 7913133321212 in words is "seven trillion, nine hundred thirteen billion, one hundred thirty-three million, three hundred twenty-one thousand, two hundred twelve".