12244231131 has 16 divisors (see below), whose sum is σ = 18024370560. Its totient is φ = 7331337920.

The previous prime is 12244231121. The next prime is 12244231151. The reversal of 12244231131 is 13113244221.

It is a cyclic number.

It is not a de Polignac number, because 12244231131 - 2⁵ = 12244231099 is a prime.

It is a super-2 number, since 2×12244231131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12244231121) 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, 2232426 + ... + 2237903.

It is an arithmetic number, because the mean of its divisors is an integer number (1126523160).

Almost surely, 2^12244231131 is an apocalyptic number.

12244231131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12244231131 is a deficient number, since it is larger than the sum of its proper divisors (5780139429).

12244231131 is a wasteful number, since it uses less digits than its factorization.

12244231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470426.

The product of its digits is 1152, while the sum is 24.

Adding to 12244231131 its reverse (13113244221), we get a palindrome (25357475352).

The spelling of 12244231131 in words is "twelve billion, two hundred forty-four million, two hundred thirty-one thousand, one hundred thirty-one".