212253112 has 8 divisors (see below), whose sum is σ = 397974600. Its totient is φ = 106126552.

The previous prime is 212253091. The next prime is 212253133. The reversal of 212253112 is 211352212.

It is an interprime number because it is at equal distance from previous prime (212253091) and next prime (212253133).

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 212253112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13265812 + ... + 13265827.

It is an arithmetic number, because the mean of its divisors is an integer number (49746825).

Almost surely, 2^212253112 is an apocalyptic number.

It is an amenable number.

212253112 is a deficient number, since it is larger than the sum of its proper divisors (185721488).

212253112 is a wasteful number, since it uses less digits than its factorization.

212253112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26531645 (or 26531641 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 212253112 is about 14568.9090875055. The cubic root of 212253112 is about 596.5104031282.

The spelling of 212253112 in words is "two hundred twelve million, two hundred fifty-three thousand, one hundred twelve".