212606630 has 8 divisors (see below), whose sum is σ = 382691952. Its totient is φ = 85042648.

The previous prime is 212606629. The next prime is 212606651. The reversal of 212606630 is 36606212.

212606630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212606630.

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, 10630322 + ... + 10630341.

It is an arithmetic number, because the mean of its divisors is an integer number (47836494).

Almost surely, 2^212606630 is an apocalyptic number.

212606630 is a deficient number, since it is larger than the sum of its proper divisors (170085322).

212606630 is a wasteful number, since it uses less digits than its factorization.

212606630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21260670.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 212606630 is about 14581.0366572477. The cubic root of 212606630 is about 596.8413919108.

The spelling of 212606630 in words is "two hundred twelve million, six hundred six thousand, six hundred thirty".