212250406 has 32 divisors (see below), whose sum is σ = 359424000. Its totient is φ = 93405312.

The previous prime is 212250383. The next prime is 212250421. The reversal of 212250406 is 604052212.

It is a congruent number.

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, 48955 + ... + 53113.

It is an arithmetic number, because the mean of its divisors is an integer number (11232000).

Almost surely, 2^212250406 is an apocalyptic number.

212250406 is a deficient number, since it is larger than the sum of its proper divisors (147173594).

212250406 is a wasteful number, since it uses less digits than its factorization.

212250406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 212250406 is about 14568.8162182107. The cubic root of 212250406 is about 596.5078681610.

The spelling of 212250406 in words is "two hundred twelve million, two hundred fifty thousand, four hundred six".