212254136 has 16 divisors (see below), whose sum is σ = 404501640. Its totient is φ = 104387040.

The previous prime is 212254127. The next prime is 212254151. The reversal of 212254136 is 631452212.

It is a happy number.

It is a congruent number.

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, 216986 + ... + 217961.

Almost surely, 2^212254136 is an apocalyptic number.

It is an amenable number.

212254136 is a deficient number, since it is larger than the sum of its proper divisors (192247504).

212254136 is a wasteful number, since it uses less digits than its factorization.

212254136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435014 (or 435010 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 212254136 is about 14568.9442307945. The cubic root of 212254136 is about 596.5113624006.

The spelling of 212254136 in words is "two hundred twelve million, two hundred fifty-four thousand, one hundred thirty-six".