212013195902 has 16 divisors (see below), whose sum is σ = 334891570560. Its totient is φ = 100387135512.

The previous prime is 212013195847. The next prime is 212013195917. The reversal of 212013195902 is 209591310212.

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, 1019408 + ... + 1209635.

It is an arithmetic number, because the mean of its divisors is an integer number (20930723160).

Almost surely, 2^212013195902 is an apocalyptic number.

212013195902 is a deficient number, since it is larger than the sum of its proper divisors (122878374658).

212013195902 is a wasteful number, since it uses less digits than its factorization.

212013195902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231567.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 212013195902 in words is "two hundred twelve billion, thirteen million, one hundred ninety-five thousand, nine hundred two".