12131102223 has 24 divisors (see below), whose sum is σ = 17707510080. Its totient is φ = 8002209600.

The previous prime is 12131102177. The next prime is 12131102227. The reversal of 12131102223 is 32220113121.

It is not a de Polignac number, because 12131102223 - 2⁹ = 12131101711 is a prime.

It is a super-2 number, since 2×12131102223² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12131102196 and 12131102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131102227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1872033 + ... + 1878501.

It is an arithmetic number, because the mean of its divisors is an integer number (737812920).

Almost surely, 2^12131102223 is an apocalyptic number.

12131102223 is a deficient number, since it is larger than the sum of its proper divisors (5576407857).

12131102223 is a wasteful number, since it uses less digits than its factorization.

12131102223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639 (or 8636 counting only the distinct ones).

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

Adding to 12131102223 its reverse (32220113121), we get a palindrome (44351215344).

The spelling of 12131102223 in words is "twelve billion, one hundred thirty-one million, one hundred two thousand, two hundred twenty-three".