12331110222 has 32 divisors (see below), whose sum is σ = 27540192000. Its totient is φ = 4089711384.

The previous prime is 12331110193. The next prime is 12331110331. The reversal of 12331110222 is 22201113321.

12331110222 is a `hidden beast` number, since 1 + 2 + 331 + 110 + 222 = 666.

It is a super-2 number, since 2×12331110222² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12331110195 and 12331110204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563008 + ... + 584499.

It is an arithmetic number, because the mean of its divisors is an integer number (860631000).

Almost surely, 2^12331110222 is an apocalyptic number.

12331110222 is an abundant number, since it is smaller than the sum of its proper divisors (15209081778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12331110222 is a wasteful number, since it uses less digits than its factorization.

12331110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147717 (or 1147711 counting only the distinct ones).

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

Adding to 12331110222 its reverse (22201113321), we get a palindrome (34532223543).

The spelling of 12331110222 in words is "twelve billion, three hundred thirty-one million, one hundred ten thousand, two hundred twenty-two".