215055056707012 has 12 divisors (see below), whose sum is σ = 379219222133136. Its totient is φ = 106706707526120.

The previous prime is 215055056706991. The next prime is 215055056707013. The reversal of 215055056707012 is 210707650550512.

It is a super-2 number, since 2×215055056707012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (215055056707013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205205206258 + ... + 205205207305.

It is an arithmetic number, because the mean of its divisors is an integer number (31601601844428).

Almost surely, 2^{215055056707012} is an apocalyptic number.

It is an amenable number.

215055056707012 is a deficient number, since it is larger than the sum of its proper divisors (164164165426124).

215055056707012 is a wasteful number, since it uses less digits than its factorization.

215055056707012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410410413698 (or 410410413696 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 46.

The spelling of 215055056707012 in words is "two hundred fifteen trillion, fifty-five billion, fifty-six million, seven hundred seven thousand, twelve".