12500045913 has 8 divisors (see below), whose sum is σ = 16822492128. Its totient is φ = 8255481824.

The previous prime is 12500045903. The next prime is 12500045917. The reversal of 12500045913 is 31954000521.

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

It is a cyclic number.

It is not a de Polignac number, because 12500045913 - 2¹⁰ = 12500044889 is a prime.

It is a super-2 number, since 2×12500045913² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12500045917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19470156 + ... + 19470797.

It is an arithmetic number, because the mean of its divisors is an integer number (2102811516).

Almost surely, 2^12500045913 is an apocalyptic number.

It is an amenable number.

12500045913 is a deficient number, since it is larger than the sum of its proper divisors (4322446215).

12500045913 is a wasteful number, since it uses less digits than its factorization.

12500045913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38941063.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 12500045913 in words is "twelve billion, five hundred million, forty-five thousand, nine hundred thirteen".