212012161394 has 16 divisors (see below), whose sum is σ = 358892061120. Its totient is φ = 93046089360.

The previous prime is 212012161367. The next prime is 212012161477. The reversal of 212012161394 is 493161210212.

212012161394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212012161394.

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, 166153094 + ... + 166154369.

It is an arithmetic number, because the mean of its divisors is an integer number (22430753820).

Almost surely, 2^212012161394 is an apocalyptic number.

212012161394 is a deficient number, since it is larger than the sum of its proper divisors (146879899726).

212012161394 is a wasteful number, since it uses less digits than its factorization.

212012161394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332307505.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 212012161394 in words is "two hundred twelve billion, twelve million, one hundred sixty-one thousand, three hundred ninety-four".