12500450637 has 8 divisors (see below), whose sum is σ = 16868078304. Its totient is φ = 8233228368.

The previous prime is 12500450623. The next prime is 12500450647. The reversal of 12500450637 is 73605400521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12500450637 - 2⁸ = 12500450381 is a prime.

It is a super-2 number, since 2×12500450637² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12500450598 and 12500450607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500450647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25101058 + ... + 25101555.

It is an arithmetic number, because the mean of its divisors is an integer number (2108509788).

Almost surely, 2^12500450637 is an apocalyptic number.

It is an amenable number.

12500450637 is a deficient number, since it is larger than the sum of its proper divisors (4367627667).

12500450637 is an equidigital number, since it uses as much as digits as its factorization.

12500450637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50202699.

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 12500450637 in words is "twelve billion, five hundred million, four hundred fifty thousand, six hundred thirty-seven".