12011000022 has 24 divisors (see below), whose sum is σ = 29741524176. Its totient is φ = 3431714256.

The previous prime is 12011000011. The next prime is 12011000041. The reversal of 12011000022 is 22000011021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12010999968 and 12011000013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47662573 + ... + 47662824.

It is an arithmetic number, because the mean of its divisors is an integer number (1239230174).

Almost surely, 2^12011000022 is an apocalyptic number.

12011000022 is an abundant number, since it is smaller than the sum of its proper divisors (17730524154).

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

12011000022 is a wasteful number, since it uses less digits than its factorization.

12011000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95325412 (or 95325409 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12011000022 its reverse (22000011021), we get a palindrome (34011011043).

The spelling of 12011000022 in words is "twelve billion, eleven million, twenty-two", and thus it is an aban number and an uban number.