12235422131 has 4 divisors (see below), whose sum is σ = 12247769664. Its totient is φ = 12223074600.

The previous prime is 12235422107. The next prime is 12235422137. The reversal of 12235422131 is 13122453221.

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 12235422131 - 2³⁰ = 11161680307 is a prime.

It is a super-2 number, since 2×12235422131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12235422131.

It is not an unprimeable number, because it can be changed into a prime (12235422137) 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 3 ways as a sum of consecutive naturals, for example, 6172280 + ... + 6174261.

It is an arithmetic number, because the mean of its divisors is an integer number (3061942416).

Almost surely, 2^12235422131 is an apocalyptic number.

12235422131 is a deficient number, since it is larger than the sum of its proper divisors (12347533).

12235422131 is an equidigital number, since it uses as much as digits as its factorization.

12235422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12347532.

The product of its digits is 2880, while the sum is 26.

Adding to 12235422131 its reverse (13122453221), we get a palindrome (25357875352).

The spelling of 12235422131 in words is "twelve billion, two hundred thirty-five million, four hundred twenty-two thousand, one hundred thirty-one".