12243133131 has 16 divisors (see below), whose sum is σ = 16407899904. Its totient is φ = 8120310624.

The previous prime is 12243133109. The next prime is 12243133153. The reversal of 12243133131 is 13133134221.

It is an interprime number because it is at equal distance from previous prime (12243133109) and next prime (12243133153).

It is not a de Polignac number, because 12243133131 - 2¹¹ = 12243131083 is a prime.

It is a super-2 number, since 2×12243133131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12243135131) 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, 611085 + ... + 630801.

It is an arithmetic number, because the mean of its divisors is an integer number (1025493744).

Almost surely, 2^12243133131 is an apocalyptic number.

12243133131 is a deficient number, since it is larger than the sum of its proper divisors (4164766773).

12243133131 is a wasteful number, since it uses less digits than its factorization.

12243133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20770.

The product of its digits is 1296, while the sum is 24.

Adding to 12243133131 its reverse (13133134221), we get a palindrome (25376267352).

The spelling of 12243133131 in words is "twelve billion, two hundred forty-three million, one hundred thirty-three thousand, one hundred thirty-one".