212704412 has 12 divisors (see below), whose sum is σ = 373207296. Its totient is φ = 106073760.

The previous prime is 212704409. The next prime is 212704417. The reversal of 212704412 is 214407212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212704417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67889 + ... + 70952.

It is an arithmetic number, because the mean of its divisors is an integer number (31100608).

Almost surely, 2^212704412 is an apocalyptic number.

It is an amenable number.

212704412 is a deficient number, since it is larger than the sum of its proper divisors (160502884).

212704412 is a wasteful number, since it uses less digits than its factorization.

212704412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139228 (or 139226 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 212704412 is about 14584.3893255769. The cubic root of 212704412 is about 596.9328776126.

The spelling of 212704412 in words is "two hundred twelve million, seven hundred four thousand, four hundred twelve".