212660504 has 16 divisors (see below), whose sum is σ = 455701200. Its totient is φ = 91140192.

The previous prime is 212660501. The next prime is 212660533. The reversal of 212660504 is 405066212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212660501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898699 + ... + 1898810.

It is an arithmetic number, because the mean of its divisors is an integer number (28481325).

Almost surely, 2^212660504 is an apocalyptic number.

It is an amenable number.

212660504 is an abundant number, since it is smaller than the sum of its proper divisors (243040696).

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

212660504 is a wasteful number, since it uses less digits than its factorization.

212660504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3797522 (or 3797518 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 212660504 is about 14582.8839397425. The cubic root of 212660504 is about 596.8918003696.

The spelling of 212660504 in words is "two hundred twelve million, six hundred sixty thousand, five hundred four".