12302220131 has 2 divisors, whose sum is σ = 12302220132. Its totient is φ = 12302220130.

The previous prime is 12302220121. The next prime is 12302220137. The reversal of 12302220131 is 13102220321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12302220131 is a prime.

It is a super-2 number, since 2×12302220131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12302220137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151110065 + 6151110066.

It is an arithmetic number, because the mean of its divisors is an integer number (6151110066).

Almost surely, 2^12302220131 is an apocalyptic number.

12302220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302220131 is an equidigital number, since it uses as much as digits as its factorization.

12302220131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12302220131 its reverse (13102220321), we get a palindrome (25404440452).

The spelling of 12302220131 in words is "twelve billion, three hundred two million, two hundred twenty thousand, one hundred thirty-one".