12500532401103 has 24 divisors (see below), whose sum is σ = 19128025800000. Its totient is φ = 7839547421184.

The previous prime is 12500532401099. The next prime is 12500532401117. The reversal of 12500532401103 is 30110423500521.

12500532401103 is a `hidden beast` number, since 1 + 2 + 500 + 5 + 3 + 2 + 40 + 110 + 3 = 666.

It is not a de Polignac number, because 12500532401103 - 2² = 12500532401099 is a prime.

It is a super-2 number, since 2×12500532401103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500532401143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20130078 + ... + 20741771.

It is an arithmetic number, because the mean of its divisors is an integer number (797001075000).

Almost surely, 2^{12500532401103} is an apocalyptic number.

12500532401103 is a deficient number, since it is larger than the sum of its proper divisors (6627493398897).

12500532401103 is a wasteful number, since it uses less digits than its factorization.

12500532401103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40873871 (or 40873868 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 12500532401103 its reverse (30110423500521), we get a palindrome (42610955901624).

The spelling of 12500532401103 in words is "twelve trillion, five hundred billion, five hundred thirty-two million, four hundred one thousand, one hundred three".