215234612 has 24 divisors (see below), whose sum is σ = 391023360. Its totient is φ = 103553280.

The previous prime is 215234609. The next prime is 215234623. The reversal of 215234612 is 216432512.

It is a happy number.

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, 17348 + ... + 27044.

It is an arithmetic number, because the mean of its divisors is an integer number (16292640).

Almost surely, 2^215234612 is an apocalyptic number.

It is an amenable number.

215234612 is a deficient number, since it is larger than the sum of its proper divisors (175788748).

215234612 is a wasteful number, since it uses less digits than its factorization.

215234612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911 (or 9909 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 215234612 is about 14670.8763201112. The cubic root of 215234612 is about 599.2904686803.

The spelling of 215234612 in words is "two hundred fifteen million, two hundred thirty-four thousand, six hundred twelve".