212917482 has 24 divisors (see below), whose sum is σ = 467163840. Its totient is φ = 70073640.

The previous prime is 212917451. The next prime is 212917487. The reversal of 212917482 is 284719212.

It is not an unprimeable number, because it can be changed into a prime (212917487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73444 + ... + 76287.

It is an arithmetic number, because the mean of its divisors is an integer number (19465160).

Almost surely, 2^212917482 is an apocalyptic number.

212917482 is an abundant number, since it is smaller than the sum of its proper divisors (254246358).

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

212917482 is a wasteful number, since it uses less digits than its factorization.

212917482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149818 (or 149815 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 212917482 is about 14591.6922253726. The cubic root of 212917482 is about 597.1321307164.

The spelling of 212917482 in words is "two hundred twelve million, nine hundred seventeen thousand, four hundred eighty-two".