27312826121 has 32 divisors (see below), whose sum is σ = 31902597120. Its totient is φ = 22902264000.

The previous prime is 27312826091. The next prime is 27312826147. The reversal of 27312826121 is 12162821372.

It is not a de Polignac number, because 27312826121 - 2³⁰ = 26239084297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27312826721) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 29719700 + ... + 29720618.

It is an arithmetic number, because the mean of its divisors is an integer number (996956160).

Almost surely, 2^27312826121 is an apocalyptic number.

It is an amenable number.

27312826121 is a deficient number, since it is larger than the sum of its proper divisors (4589770999).

27312826121 is a wasteful number, since it uses less digits than its factorization.

27312826121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485.

The product of its digits is 16128, while the sum is 35.

The spelling of 27312826121 in words is "twenty-seven billion, three hundred twelve million, eight hundred twenty-six thousand, one hundred twenty-one".