12031112222 has 16 divisors (see below), whose sum is σ = 18087488352. Its totient is φ = 6001966560.

The previous prime is 12031112153. The next prime is 12031112239. The reversal of 12031112222 is 22221113021.

It is a super-2 number, since 2×12031112222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12031112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805048 + ... + 1811700.

It is an arithmetic number, because the mean of its divisors is an integer number (1130468022).

Almost surely, 2^12031112222 is an apocalyptic number.

12031112222 is a deficient number, since it is larger than the sum of its proper divisors (6056376130).

12031112222 is a wasteful number, since it uses less digits than its factorization.

12031112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8563.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12031112222 its reverse (22221113021), we get a palindrome (34252225243).

The spelling of 12031112222 in words is "twelve billion, thirty-one million, one hundred twelve thousand, two hundred twenty-two".