212310982 has 12 divisors (see below), whose sum is σ = 344848860. Its totient is φ = 97989528.

The previous prime is 212310961. The next prime is 212310991. The reversal of 212310982 is 289013212.

It is a self number, because there is not a number n which added to its sum of digits gives 212310982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313732 + ... + 314407.

It is an arithmetic number, because the mean of its divisors is an integer number (28737405).

Almost surely, 2^212310982 is an apocalyptic number.

212310982 is a deficient number, since it is larger than the sum of its proper divisors (132537878).

212310982 is a wasteful number, since it uses less digits than its factorization.

212310982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628167 (or 628154 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 212310982 is about 14570.8950308483. The cubic root of 212310982 is about 596.5646102961.

The spelling of 212310982 in words is "two hundred twelve million, three hundred ten thousand, nine hundred eighty-two".