212982516 has 36 divisors (see below), whose sum is σ = 538941312. Its totient is φ = 70919184.

The previous prime is 212982487. The next prime is 212982527. The reversal of 212982516 is 615289212.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39325 + ... + 44411.

It is an arithmetic number, because the mean of its divisors is an integer number (14970592).

Almost surely, 2^212982516 is an apocalyptic number.

It is an amenable number.

212982516 is an abundant number, since it is smaller than the sum of its proper divisors (325958796).

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

212982516 is a wasteful number, since it uses less digits than its factorization.

212982516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260 (or 6255 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 212982516 is about 14593.9205150638. The cubic root of 212982516 is about 597.1929209929.

The spelling of 212982516 in words is "two hundred twelve million, nine hundred eighty-two thousand, five hundred sixteen".