215342612 has 12 divisors (see below), whose sum is σ = 376955040. Its totient is φ = 107641176.

The previous prime is 215342557. The next prime is 215342639. The reversal of 215342612 is 216243512.

It is a happy number.

215342612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18689 + ... + 27927.

It is an arithmetic number, because the mean of its divisors is an integer number (31412920).

Almost surely, 2^215342612 is an apocalyptic number.

It is an amenable number.

215342612 is a deficient number, since it is larger than the sum of its proper divisors (161612428).

215342612 is a wasteful number, since it uses less digits than its factorization.

215342612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070 (or 15068 counting only the distinct ones).

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

The square root of 215342612 is about 14674.5566202185. The cubic root of 215342612 is about 599.3906888501.

The spelling of 215342612 in words is "two hundred fifteen million, three hundred forty-two thousand, six hundred twelve".