212552630 has 8 divisors (see below), whose sum is σ = 382594752. Its totient is φ = 85021048.

The previous prime is 212552603. The next prime is 212552657. The reversal of 212552630 is 36255212.

It is an interprime number because it is at equal distance from previous prime (212552603) and next prime (212552657).

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 212552630.

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, 10627622 + ... + 10627641.

It is an arithmetic number, because the mean of its divisors is an integer number (47824344).

Almost surely, 2^212552630 is an apocalyptic number.

212552630 is a deficient number, since it is larger than the sum of its proper divisors (170042122).

212552630 is a wasteful number, since it uses less digits than its factorization.

212552630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21255270.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 212552630 is about 14579.1848194609. The cubic root of 212552630 is about 596.7908570111.

The spelling of 212552630 in words is "two hundred twelve million, five hundred fifty-two thousand, six hundred thirty".