12442003131 has 16 divisors (see below), whose sum is σ = 17281998720. Its totient is φ = 7955196480.

The previous prime is 12442003099. The next prime is 12442003177. The reversal of 12442003131 is 13130024421.

It is not a de Polignac number, because 12442003131 - 2⁵ = 12442003099 is a prime.

It is a super-2 number, since 2×12442003131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12442003098 and 12442003107.

It is not an unprimeable number, because it can be changed into a prime (12442003031) 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, 849985 + ... + 864498.

It is an arithmetic number, because the mean of its divisors is an integer number (1080124920).

Almost surely, 2^12442003131 is an apocalyptic number.

12442003131 is a deficient number, since it is larger than the sum of its proper divisors (4839995589).

12442003131 is a wasteful number, since it uses less digits than its factorization.

12442003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714586.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12442003131 its reverse (13130024421), we get a palindrome (25572027552).

The spelling of 12442003131 in words is "twelve billion, four hundred forty-two million, three thousand, one hundred thirty-one".