12507277126 has 32 divisors (see below), whose sum is σ = 19178415360. Its totient is φ = 6116015136.

The previous prime is 12507277121. The next prime is 12507277141. The reversal of 12507277126 is 62177270521.

It is a super-2 number, since 2×12507277126² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507277121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16833111 + ... + 16833853.

It is an arithmetic number, because the mean of its divisors is an integer number (599325480).

Almost surely, 2^12507277126 is an apocalyptic number.

12507277126 is a deficient number, since it is larger than the sum of its proper divisors (6671138234).

12507277126 is a wasteful number, since it uses less digits than its factorization.

12507277126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 12507277126 in words is "twelve billion, five hundred seven million, two hundred seventy-seven thousand, one hundred twenty-six".