12222223131 has 8 divisors (see below), whose sum is σ = 16297467984. Its totient is φ = 8147563520.

The previous prime is 12222223129. The next prime is 12222223187. The reversal of 12222223131 is 13132222221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12222223131 - 2¹ = 12222223129 is a prime.

It is a super-2 number, since 2×12222223131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12222223098 and 12222223107.

It is not an unprimeable number, because it can be changed into a prime (12222223031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95010 + ... + 182951.

It is an arithmetic number, because the mean of its divisors is an integer number (2037183498).

Almost surely, 2^12222223131 is an apocalyptic number.

12222223131 is a deficient number, since it is larger than the sum of its proper divisors (4075244853).

12222223131 is a wasteful number, since it uses less digits than its factorization.

12222223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292621.

The product of its digits is 576, while the sum is 21.

Adding to 12222223131 its reverse (13132222221), we get a palindrome (25354445352).

The spelling of 12222223131 in words is "twelve billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred thirty-one".