212313404 has 12 divisors (see below), whose sum is σ = 371910000. Its totient is φ = 106053408.

The previous prime is 212313383. The next prime is 212313433. The reversal of 212313404 is 404313212.

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, 21104 + ... + 29495.

It is an arithmetic number, because the mean of its divisors is an integer number (30992500).

Almost surely, 2^212313404 is an apocalyptic number.

It is an amenable number.

212313404 is a deficient number, since it is larger than the sum of its proper divisors (159596596).

212313404 is a wasteful number, since it uses less digits than its factorization.

212313404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51652 (or 51650 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 212313404 is about 14570.9781414976. The cubic root of 212313404 is about 596.5668787829.

Adding to 212313404 its reverse (404313212), we get a palindrome (616626616).

The spelling of 212313404 in words is "two hundred twelve million, three hundred thirteen thousand, four hundred four".