12102203231 has 2 divisors, whose sum is σ = 12102203232. Its totient is φ = 12102203230.

The previous prime is 12102203171. The next prime is 12102203263. The reversal of 12102203231 is 13230220121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12102203231 - 2²² = 12098008927 is a prime.

It is a super-2 number, since 2×12102203231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12102203131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051101615 + 6051101616.

It is an arithmetic number, because the mean of its divisors is an integer number (6051101616).

Almost surely, 2^12102203231 is an apocalyptic number.

12102203231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102203231 is an equidigital number, since it uses as much as digits as its factorization.

12102203231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12102203231 its reverse (13230220121), we get a palindrome (25332423352).

The spelling of 12102203231 in words is "twelve billion, one hundred two million, two hundred three thousand, two hundred thirty-one".