3215183656212 has 96 divisors (see below), whose sum is σ = 9093942023040. Its totient is φ = 974245224960.

The previous prime is 3215183656211. The next prime is 3215183656229. The reversal of 3215183656212 is 2126563815123.

It is a happy number.

3215183656212 is a `hidden beast` number, since 3 + 2 + 1 + 5 + 1 + 83 + 6 + 562 + 1 + 2 = 666.

3215183656212 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 not an unprimeable number, because it can be changed into a prime (3215183656211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25618398 + ... + 25743594.

It is an arithmetic number, because the mean of its divisors is an integer number (94728562740).

Almost surely, 2^{3215183656212} is an apocalyptic number.

It is an amenable number.

3215183656212 is an abundant number, since it is smaller than the sum of its proper divisors (5878758366828).

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

3215183656212 is a wasteful number, since it uses less digits than its factorization.

3215183656212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146838 (or 146830 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 3215183656212 in words is "three trillion, two hundred fifteen billion, one hundred eighty-three million, six hundred fifty-six thousand, two hundred twelve".