212590992 has 40 divisors (see below), whose sum is σ = 553402080. Its totient is φ = 70320640.

The previous prime is 212590991. The next prime is 212590993. The reversal of 212590992 is 299095212.

It is an interprime number because it is at equal distance from previous prime (212590991) and next prime (212590993).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 212590992.

It is not an unprimeable number, because it can be changed into a prime (212590991) 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 7 ways as a sum of consecutive naturals, for example, 10617 + ... + 23192.

It is an arithmetic number, because the mean of its divisors is an integer number (13835052).

Almost surely, 2^212590992 is an apocalyptic number.

It is an amenable number.

212590992 is an abundant number, since it is smaller than the sum of its proper divisors (340811088).

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

212590992 is a wasteful number, since it uses less digits than its factorization.

212590992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33951 (or 33945 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 212590992 is about 14580.5004029354. The cubic root of 212590992 is about 596.8267582585.

The spelling of 212590992 in words is "two hundred twelve million, five hundred ninety thousand, nine hundred ninety-two".