215200116612 has 72 divisors (see below), whose sum is σ = 600110947800. Its totient is φ = 64600404480.

The previous prime is 215200116581. The next prime is 215200116661. The reversal of 215200116612 is 216611002512.

215200116612 is a `hidden beast` number, since 2 + 15 + 20 + 0 + 1 + 16 + 612 = 666.

215200116612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 617796 + 215199498816 = 786^2 + 463896^2 .

It is a super-3 number, since 3×215200116612³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5588487 + ... + 5626862.

It is an arithmetic number, because the mean of its divisors is an integer number (8334874275).

Almost surely, 2^215200116612 is an apocalyptic number.

It is an amenable number.

215200116612 is an abundant number, since it is smaller than the sum of its proper divisors (384910831188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215200116612 is a wasteful number, since it uses less digits than its factorization.

215200116612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215413 (or 11215408 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 215200116612 in words is "two hundred fifteen billion, two hundred million, one hundred sixteen thousand, six hundred twelve".