215043683612 has 12 divisors (see below), whose sum is σ = 376582286976. Its totient is φ = 107448744480.

The previous prime is 215043683597. The next prime is 215043683641. The reversal of 215043683612 is 216386340512.

It is a super-3 number, since 3×215043683612³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 215043683612.

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, 18267713 + ... + 18279480.

It is an arithmetic number, because the mean of its divisors is an integer number (31381857248).

Almost surely, 2^215043683612 is an apocalyptic number.

It is an amenable number.

215043683612 is a deficient number, since it is larger than the sum of its proper divisors (161538603364).

215043683612 is a wasteful number, since it uses less digits than its factorization.

215043683612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36548668 (or 36548666 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 215043683612 in words is "two hundred fifteen billion, forty-three million, six hundred eighty-three thousand, six hundred twelve".