215122812675 has 12 divisors (see below), whose sum is σ = 355669717080. Its totient is φ = 114732166720.

The previous prime is 215122812661. The next prime is 215122812689. The reversal of 215122812675 is 576218221512.

It is an interprime number because it is at equal distance from previous prime (215122812661) and next prime (215122812689).

It is not a de Polignac number, because 215122812675 - 2¹¹ = 215122810627 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 1434152010 + ... + 1434152159.

It is an arithmetic number, because the mean of its divisors is an integer number (29639143090).

Almost surely, 2^215122812675 is an apocalyptic number.

215122812675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

215122812675 is a deficient number, since it is larger than the sum of its proper divisors (140546904405).

215122812675 is a wasteful number, since it uses less digits than its factorization.

215122812675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868304182 (or 2868304177 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The spelling of 215122812675 in words is "two hundred fifteen billion, one hundred twenty-two million, eight hundred twelve thousand, six hundred seventy-five".