212387704 has 32 divisors (see below), whose sum is σ = 420577920. Its totient is φ = 100345696.

The previous prime is 212387683. The next prime is 212387713. The reversal of 212387704 is 407783212.

212387704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212387704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8319 + ... + 22225.

It is an arithmetic number, because the mean of its divisors is an integer number (13143060).

Almost surely, 2^212387704 is an apocalyptic number.

It is an amenable number.

212387704 is a deficient number, since it is larger than the sum of its proper divisors (208190216).

212387704 is a wasteful number, since it uses less digits than its factorization.

212387704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14019 (or 14015 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 212387704 is about 14573.5275070931. The cubic root of 212387704 is about 596.6364610588.

The spelling of 212387704 in words is "two hundred twelve million, three hundred eighty-seven thousand, seven hundred four".