12442333121131 has 4 divisors (see below), whose sum is σ = 12442378065832. Its totient is φ = 12442288176432.

The previous prime is 12442333121123. The next prime is 12442333121147. The reversal of 12442333121131 is 13112133324421.

12442333121131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12442333121131 - 2³ = 12442333121123 is a prime.

It is a super-2 number, since 2×12442333121131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12442333121093 and 12442333121102.

It is not an unprimeable number, because it can be changed into a prime (12442333121171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22054506 + ... + 22611631.

It is an arithmetic number, because the mean of its divisors is an integer number (3110594516458).

Almost surely, 2^{12442333121131} is an apocalyptic number.

12442333121131 is a deficient number, since it is larger than the sum of its proper divisors (44944701).

12442333121131 is an equidigital number, since it uses as much as digits as its factorization.

12442333121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44944700.

The product of its digits is 10368, while the sum is 31.

Adding to 12442333121131 its reverse (13112133324421), we get a palindrome (25554466445552).

The spelling of 12442333121131 in words is "twelve trillion, four hundred forty-two billion, three hundred thirty-three million, one hundred twenty-one thousand, one hundred thirty-one".