212626985 has 16 divisors (see below), whose sum is σ = 272471040. Its totient is φ = 158934720.

The previous prime is 212626961. The next prime is 212626987. The reversal of 212626985 is 589626212.

212626985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-212626985 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212626987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19157 + ... + 28146.

It is an arithmetic number, because the mean of its divisors is an integer number (17029440).

Almost surely, 2^212626985 is an apocalyptic number.

It is an amenable number.

212626985 is a deficient number, since it is larger than the sum of its proper divisors (59844055).

212626985 is a wasteful number, since it uses less digits than its factorization.

212626985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47368.

The product of its digits is 103680, while the sum is 41.

The square root of 212626985 is about 14581.7346361810. The cubic root of 212626985 is about 596.8604385399.

The spelling of 212626985 in words is "two hundred twelve million, six hundred twenty-six thousand, nine hundred eighty-five".