12222112023231 has 32 divisors (see below), whose sum is σ = 17991117342720. Its totient is φ = 7318688592000.

The previous prime is 12222112023197. The next prime is 12222112023311. The reversal of 12222112023231 is 13232021122221.

It is not a de Polignac number, because 12222112023231 - 2⁹ = 12222112022719 is a prime.

It is a super-2 number, since 2×12222112023231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222112093231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2231260 + ... + 5424273.

It is an arithmetic number, because the mean of its divisors is an integer number (562222416960).

Almost surely, 2^{12222112023231} is an apocalyptic number.

12222112023231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12222112023231 is a deficient number, since it is larger than the sum of its proper divisors (5769005319489).

12222112023231 is a wasteful number, since it uses less digits than its factorization.

12222112023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656127.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12222112023231 its reverse (13232021122221), we get a palindrome (25454133145452).

The spelling of 12222112023231 in words is "twelve trillion, two hundred twenty-two billion, one hundred twelve million, twenty-three thousand, two hundred thirty-one".