12126516754 has 16 divisors (see below), whose sum is σ = 19848110400. Its totient is φ = 5510742160.

The previous prime is 12126516751. The next prime is 12126516763. The reversal of 12126516754 is 45761562121.

It is not an unprimeable number, because it can be changed into a prime (12126516751) 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, 32307 + ... + 159049.

It is an arithmetic number, because the mean of its divisors is an integer number (1240506900).

Almost surely, 2^12126516754 is an apocalyptic number.

12126516754 is a deficient number, since it is larger than the sum of its proper divisors (7721593646).

12126516754 is a wasteful number, since it uses less digits than its factorization.

12126516754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131105.

The product of its digits is 100800, while the sum is 40.

The spelling of 12126516754 in words is "twelve billion, one hundred twenty-six million, five hundred sixteen thousand, seven hundred fifty-four".