20127174370412 has 24 divisors (see below), whose sum is σ = 37043371954176. Its totient is φ = 9550244320848.

The previous prime is 20127174370411. The next prime is 20127174370453. The reversal of 20127174370412 is 21407347172102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20127174370412.

It is not an unprimeable number, because it can be changed into a prime (20127174370411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861301838 + ... + 861325205.

It is an arithmetic number, because the mean of its divisors is an integer number (1543473831424).

Almost surely, 2^{20127174370412} is an apocalyptic number.

It is an amenable number.

20127174370412 is a deficient number, since it is larger than the sum of its proper divisors (16916197583764).

20127174370412 is a wasteful number, since it uses less digits than its factorization.

20127174370412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722627197 (or 1722627195 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 41.

The spelling of 20127174370412 in words is "twenty trillion, one hundred twenty-seven billion, one hundred seventy-four million, three hundred seventy thousand, four hundred twelve".