27217121938132 has 48 divisors (see below), whose sum is σ = 54833765575680. Its totient is φ = 11578875846912.

The previous prime is 27217121938129. The next prime is 27217121938169. The reversal of 27217121938132 is 23183912171272.

It is a super-3 number, since 3×27217121938132³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106255869 + ... + 106511707.

It is an arithmetic number, because the mean of its divisors is an integer number (1142370116160).

Almost surely, 2^{27217121938132} is an apocalyptic number.

It is an amenable number.

27217121938132 is an abundant number, since it is smaller than the sum of its proper divisors (27616643637548).

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

27217121938132 is a wasteful number, since it uses less digits than its factorization.

27217121938132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283720 (or 283718 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The spelling of 27217121938132 in words is "twenty-seven trillion, two hundred seventeen billion, one hundred twenty-one million, nine hundred thirty-eight thousand, one hundred thirty-two".