127144755212 has 6 divisors (see below), whose sum is σ = 222503321628. Its totient is φ = 63572377604.

The previous prime is 127144755181. The next prime is 127144755217. The reversal of 127144755212 is 212557441721.

It is a self number, because there is not a number n which added to its sum of digits gives 127144755212.

It is not an unprimeable number, because it can be changed into a prime (127144755217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15893094398 + ... + 15893094405.

It is an arithmetic number, because the mean of its divisors is an integer number (37083886938).

Almost surely, 2^127144755212 is an apocalyptic number.

It is an amenable number.

127144755212 is a deficient number, since it is larger than the sum of its proper divisors (95358566416).

127144755212 is a wasteful number, since it uses less digits than its factorization.

127144755212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31786188807 (or 31786188805 counting only the distinct ones).

The product of its digits is 156800, while the sum is 41.

The spelling of 127144755212 in words is "one hundred twenty-seven billion, one hundred forty-four million, seven hundred fifty-five thousand, two hundred twelve".