12102232113 has 20 divisors (see below), whose sum is σ = 18519590628. Its totient is φ = 7871368320.

The previous prime is 12102232099. The next prime is 12102232123. The reversal of 12102232113 is 31123220121.

It can be written as a sum of positive squares in 2 ways, for example, as 344733489 + 11757498624 = 18567^2 + 108432^2 .

It is not a de Polignac number, because 12102232113 - 2⁶ = 12102232049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12102232123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1818756 + ... + 1825397.

Almost surely, 2^12102232113 is an apocalyptic number.

It is an amenable number.

12102232113 is a deficient number, since it is larger than the sum of its proper divisors (6417358515).

12102232113 is an equidigital number, since it uses as much as digits as its factorization.

12102232113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644206 (or 3644197 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12102232113 its reverse (31123220121), we get a palindrome (43225452234).

The spelling of 12102232113 in words is "twelve billion, one hundred two million, two hundred thirty-two thousand, one hundred thirteen".