212502072 has 16 divisors (see below), whose sum is σ = 531255240. Its totient is φ = 70834016.

The previous prime is 212502067. The next prime is 212502113. The reversal of 212502072 is 270205212.

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, 4427103 + ... + 4427150.

Almost surely, 2^212502072 is an apocalyptic number.

It is an amenable number.

212502072 is an abundant number, since it is smaller than the sum of its proper divisors (318753168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212502072 is a wasteful number, since it uses less digits than its factorization.

212502072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854262 (or 8854258 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 212502072 is about 14577.4508059537. The cubic root of 212502072 is about 596.7435354846.

Adding to 212502072 its reverse (270205212), we get a palindrome (482707284).

The spelling of 212502072 in words is "two hundred twelve million, five hundred two thousand, seventy-two".