12031101222 has 48 divisors (see below), whose sum is σ = 27999654912. Its totient is φ = 3436361040.

The previous prime is 12031101191. The next prime is 12031101233. The reversal of 12031101222 is 22210113021.

It is a super-2 number, since 2×12031101222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1534003 + ... + 1541825.

It is an arithmetic number, because the mean of its divisors is an integer number (583326144).

Almost surely, 2^12031101222 is an apocalyptic number.

12031101222 is an abundant number, since it is smaller than the sum of its proper divisors (15968553690).

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

12031101222 is a wasteful number, since it uses less digits than its factorization.

12031101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13073 (or 13066 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12031101222 its reverse (22210113021), we get a palindrome (34241214243).

The spelling of 12031101222 in words is "twelve billion, thirty-one million, one hundred one thousand, two hundred twenty-two".