12727231189774 has 16 divisors (see below), whose sum is σ = 21277723971600. Its totient is φ = 5674059725184.

The previous prime is 12727231189763. The next prime is 12727231189781. The reversal of 12727231189774 is 47798113272721.

It is a super-2 number, since 2×12727231189774² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9850797489 + ... + 9850798780.

It is an arithmetic number, because the mean of its divisors is an integer number (1329857748225).

Almost surely, 2^{12727231189774} is an apocalyptic number.

12727231189774 is a deficient number, since it is larger than the sum of its proper divisors (8550492781826).

12727231189774 is a wasteful number, since it uses less digits than its factorization.

12727231189774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19701596307.

The product of its digits is 16595712, while the sum is 61.

The spelling of 12727231189774 in words is "twelve trillion, seven hundred twenty-seven billion, two hundred thirty-one million, one hundred eighty-nine thousand, seven hundred seventy-four".