212054402 has 32 divisors (see below), whose sum is σ = 384151680. Its totient is φ = 85760640.

The previous prime is 212054393. The next prime is 212054441. The reversal of 212054402 is 204450212.

It is a happy number.

212054402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73328 + ... + 76164.

It is an arithmetic number, because the mean of its divisors is an integer number (12004740).

Almost surely, 2^212054402 is an apocalyptic number.

212054402 is a deficient number, since it is larger than the sum of its proper divisors (172097278).

212054402 is a wasteful number, since it uses less digits than its factorization.

212054402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 212054402 is about 14562.0878310770. The cubic root of 212054402 is about 596.3241952714.

The spelling of 212054402 in words is "two hundred twelve million, fifty-four thousand, four hundred two".