12001111022 has 8 divisors (see below), whose sum is σ = 18095916672. Its totient is φ = 5969138800.

The previous prime is 12001110997. The next prime is 12001111033. The reversal of 12001111022 is 22011110021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12001110994 and 12001111012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15707879 + ... + 15708642.

It is an arithmetic number, because the mean of its divisors is an integer number (2261989584).

Almost surely, 2^12001111022 is an apocalyptic number.

12001111022 is a deficient number, since it is larger than the sum of its proper divisors (6094805650).

12001111022 is a wasteful number, since it uses less digits than its factorization.

12001111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31416714.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12001111022 its reverse (22011110021), we get a palindrome (34012221043).

The spelling of 12001111022 in words is "twelve billion, one million, one hundred eleven thousand, twenty-two".