12500137513750 has 20 divisors (see below), whose sum is σ = 23430257758116. Its totient is φ = 5000055005000.

The previous prime is 12500137513727. The next prime is 12500137513757. The reversal of 12500137513750 is 5731573100521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500137513757) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5000053756 + ... + 5000056255.

Almost surely, 2^{12500137513750} is an apocalyptic number.

12500137513750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12500137513750 is a deficient number, since it is larger than the sum of its proper divisors (10930120244366).

12500137513750 is an equidigital number, since it uses as much as digits as its factorization.

12500137513750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000110033 (or 10000110018 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 40.

The spelling of 12500137513750 in words is "twelve trillion, five hundred billion, one hundred thirty-seven million, five hundred thirteen thousand, seven hundred fifty".