212125204 has 12 divisors (see below), whose sum is σ = 374823904. Its totient is φ = 105032664.

The previous prime is 212125189. The next prime is 212125213. The reversal of 212125204 is 402521212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257022 + ... + 257845.

Almost surely, 2^212125204 is an apocalyptic number.

It is an amenable number.

212125204 is a deficient number, since it is larger than the sum of its proper divisors (162698700).

212125204 is a wasteful number, since it uses less digits than its factorization.

212125204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514974 (or 514972 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 212125204 is about 14564.5186669522. The cubic root of 212125204 is about 596.3905559900.

Adding to 212125204 its reverse (402521212), we get a palindrome (614646416).

The spelling of 212125204 in words is "two hundred twelve million, one hundred twenty-five thousand, two hundred four".