12126140535 has 16 divisors (see below), whose sum is σ = 19414890720. Its totient is φ = 6462919680.

The previous prime is 12126140501. The next prime is 12126140603. The reversal of 12126140535 is 53504162121.

It is not a de Polignac number, because 12126140535 - 2¹⁵ = 12126107767 is a prime.

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, 249126 + ... + 293795.

It is an arithmetic number, because the mean of its divisors is an integer number (1213430670).

Almost surely, 2^12126140535 is an apocalyptic number.

12126140535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12126140535 is a deficient number, since it is larger than the sum of its proper divisors (7288750185).

12126140535 is a wasteful number, since it uses less digits than its factorization.

12126140535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544418.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 12126140535 in words is "twelve billion, one hundred twenty-six million, one hundred forty thousand, five hundred thirty-five".