212677290 has 48 divisors (see below), whose sum is σ = 631957248. Its totient is φ = 48611808.

The previous prime is 212677261. The next prime is 212677301. The reversal of 212677290 is 92776212.

212677290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168162 + ... + 169421.

It is an arithmetic number, because the mean of its divisors is an integer number (13165776).

Almost surely, 2^212677290 is an apocalyptic number.

212677290 is an abundant number, since it is smaller than the sum of its proper divisors (419279958).

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

212677290 is a wasteful number, since it uses less digits than its factorization.

212677290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337603 (or 337600 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 212677290 is about 14583.4594661212. The cubic root of 212677290 is about 596.9075048406.

The spelling of 212677290 in words is "two hundred twelve million, six hundred seventy-seven thousand, two hundred ninety".