27017880212 has 12 divisors (see below), whose sum is σ = 49336998816. Its totient is φ = 12921594840.

The previous prime is 27017880191. The next prime is 27017880217. The reversal of 27017880212 is 21208871072.

It is a super-2 number, since 2×27017880212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27017880217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146836214 + ... + 146836397.

It is an arithmetic number, because the mean of its divisors is an integer number (4111416568).

Almost surely, 2^27017880212 is an apocalyptic number.

It is an amenable number.

27017880212 is a deficient number, since it is larger than the sum of its proper divisors (22319118604).

27017880212 is a wasteful number, since it uses less digits than its factorization.

27017880212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293672638 (or 293672636 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The spelling of 27017880212 in words is "twenty-seven billion, seventeen million, eight hundred eighty thousand, two hundred twelve".