612216115256 has 16 divisors (see below), whose sum is σ = 1152708170400. Its totient is φ = 304827269824.

The previous prime is 612216115229. The next prime is 612216115289. The reversal of 612216115256 is 652511612216.

It is a super-3 number, since 3×612216115256³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160096445 + ... + 160100268.

It is an arithmetic number, because the mean of its divisors is an integer number (72044260650).

Almost surely, 2^612216115256 is an apocalyptic number.

It is an amenable number.

612216115256 is a deficient number, since it is larger than the sum of its proper divisors (540492055144).

612216115256 is a wasteful number, since it uses less digits than its factorization.

612216115256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320196958 (or 320196954 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The spelling of 612216115256 in words is "six hundred twelve billion, two hundred sixteen million, one hundred fifteen thousand, two hundred fifty-six".