126116640712 has 8 divisors (see below), whose sum is σ = 236468701350. Its totient is φ = 63058320352.

The previous prime is 126116640703. The next prime is 126116640737. The reversal of 126116640712 is 217046611621.

It can be written as a sum of positive squares in only one way, i.e., 77525492356 + 48591148356 = 278434^2 + 220434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7882290037 + ... + 7882290052.

Almost surely, 2^126116640712 is an apocalyptic number.

It is an amenable number.

126116640712 is a deficient number, since it is larger than the sum of its proper divisors (110352060638).

126116640712 is a wasteful number, since it uses less digits than its factorization.

126116640712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15764580095 (or 15764580091 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 126116640712 in words is "one hundred twenty-six billion, one hundred sixteen million, six hundred forty thousand, seven hundred twelve".