213317012 has 24 divisors (see below), whose sum is σ = 380236416. Its totient is φ = 104689728.

The previous prime is 213316981. The next prime is 213317021. The reversal of 213317012 is 210713312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82613 + ... + 85155.

It is an arithmetic number, because the mean of its divisors is an integer number (15843184).

Almost surely, 2^213317012 is an apocalyptic number.

It is an amenable number.

213317012 is a deficient number, since it is larger than the sum of its proper divisors (166919404).

213317012 is a wasteful number, since it uses less digits than its factorization.

213317012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927 (or 2925 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 213317012 is about 14605.3761334654. The cubic root of 213317012 is about 597.5053944647.

The spelling of 213317012 in words is "two hundred thirteen million, three hundred seventeen thousand, twelve".