12011112022 has 32 divisors (see below), whose sum is σ = 22192128000. Its totient is φ = 4747841568.

The previous prime is 12011112007. The next prime is 12011112077. The reversal of 12011112022 is 22021111021.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 12011111993 and 12011112011.

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, 206979 + ... + 258577.

It is an arithmetic number, because the mean of its divisors is an integer number (693504000).

Almost surely, 2^12011112022 is an apocalyptic number.

12011112022 is a deficient number, since it is larger than the sum of its proper divisors (10181015978).

12011112022 is a wasteful number, since it uses less digits than its factorization.

12011112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52900.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12011112022 its reverse (22021111021), we get a palindrome (34032223043).

The spelling of 12011112022 in words is "twelve billion, eleven million, one hundred twelve thousand, twenty-two".