12131233073 has 2 divisors, whose sum is σ = 12131233074. Its totient is φ = 12131233072.

The previous prime is 12131233067. The next prime is 12131233129. The reversal of 12131233073 is 37033213121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11903464609 + 227768464 = 109103^2 + 15092^2 .

It is a cyclic number.

It is not a de Polignac number, because 12131233073 - 2²⁶ = 12064124209 is a prime.

It is not a weakly prime, because it can be changed into another prime (12131233043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065616536 + 6065616537.

It is an arithmetic number, because the mean of its divisors is an integer number (6065616537).

Almost surely, 2^12131233073 is an apocalyptic number.

It is an amenable number.

12131233073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131233073 is an equidigital number, since it uses as much as digits as its factorization.

12131233073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 12131233073 its reverse (37033213121), we get a palindrome (49164446194).

The spelling of 12131233073 in words is "twelve billion, one hundred thirty-one million, two hundred thirty-three thousand, seventy-three".