212210192 has 20 divisors (see below), whose sum is σ = 413434476. Its totient is φ = 105517440.

The previous prime is 212210171. The next prime is 212210237. The reversal of 212210192 is 291012212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13512976 + 198697216 = 3676^2 + 14096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33743 + ... + 39534.

Almost surely, 2^212210192 is an apocalyptic number.

It is an amenable number.

212210192 is a deficient number, since it is larger than the sum of its proper divisors (201224284).

212210192 is a wasteful number, since it uses less digits than its factorization.

212210192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73466 (or 73460 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 212210192 is about 14567.4360132454. The cubic root of 212210192 is about 596.4701933489.

The spelling of 212210192 in words is "two hundred twelve million, two hundred ten thousand, one hundred ninety-two".