1277194144112 has 20 divisors (see below), whose sum is σ = 2480469547080. Its totient is φ = 637072970688.

The previous prime is 1277194144111. The next prime is 1277194144123. The reversal of 1277194144112 is 2114414917721.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1277194144111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95249423 + ... + 95262830.

It is an arithmetic number, because the mean of its divisors is an integer number (124023477354).

Almost surely, 2^{1277194144112} is an apocalyptic number.

It is an amenable number.

1277194144112 is a deficient number, since it is larger than the sum of its proper divisors (1203275402968).

1277194144112 is a wasteful number, since it uses less digits than its factorization.

1277194144112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190512680 (or 190512674 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The spelling of 1277194144112 in words is "one trillion, two hundred seventy-seven billion, one hundred ninety-four million, one hundred forty-four thousand, one hundred twelve".