12127151712 has 96 divisors (see below), whose sum is σ = 35079948288. Its totient is φ = 3644637696.

The previous prime is 12127151693. The next prime is 12127151737. The reversal of 12127151712 is 21715172121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 12127151712.

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, 59328 + ... + 166655.

It is an arithmetic number, because the mean of its divisors is an integer number (365416128).

Almost surely, 2^12127151712 is an apocalyptic number.

12127151712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12127151712 is an abundant number, since it is smaller than the sum of its proper divisors (22952796576).

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

12127151712 is a wasteful number, since it uses less digits than its factorization.

12127151712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226052 (or 226044 counting only the distinct ones).

The product of its digits is 1960, while the sum is 30.

The spelling of 12127151712 in words is "twelve billion, one hundred twenty-seven million, one hundred fifty-one thousand, seven hundred twelve".