12126140537 has 24 divisors (see below), whose sum is σ = 14641958016. Its totient is φ = 9836204544.

The previous prime is 12126140501. The next prime is 12126140603. The reversal of 12126140537 is 73504162121.

12126140537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12126140537 - 2⁸ = 12126140281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12126140437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3073388 + ... + 3077330.

It is an arithmetic number, because the mean of its divisors is an integer number (610081584).

Almost surely, 2^12126140537 is an apocalyptic number.

It is an amenable number.

12126140537 is a deficient number, since it is larger than the sum of its proper divisors (2515817479).

12126140537 is a wasteful number, since it uses less digits than its factorization.

12126140537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205 (or 5186 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 12126140537 in words is "twelve billion, one hundred twenty-six million, one hundred forty thousand, five hundred thirty-seven".