12133313131 has 2 divisors, whose sum is σ = 12133313132. Its totient is φ = 12133313130.

The previous prime is 12133313123. The next prime is 12133313149. The reversal of 12133313131 is 13131333121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12133313131 - 2³ = 12133313123 is a prime.

It is a super-2 number, since 2×12133313131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12133313111) 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 as a sum of consecutive naturals, namely, 6066656565 + 6066656566.

It is an arithmetic number, because the mean of its divisors is an integer number (6066656566).

Almost surely, 2^12133313131 is an apocalyptic number.

12133313131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133313131 is an equidigital number, since it uses as much as digits as its factorization.

12133313131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 22.

Adding to 12133313131 its reverse (13131333121), we get a palindrome (25264646252).

The spelling of 12133313131 in words is "twelve billion, one hundred thirty-three million, three hundred thirteen thousand, one hundred thirty-one".