12000000022000 has 160 divisors (see below), whose sum is σ = 29072899215360. Its totient is φ = 4790597817600.

The previous prime is 12000000021949. The next prime is 12000000022033. The reversal of 12000000022000 is 22000000021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3106392069 + ... + 3106395931.

It is an arithmetic number, because the mean of its divisors is an integer number (181705620096).

Almost surely, 2^{12000000022000} is an apocalyptic number.

12000000022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000000022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14536449607680).

12000000022000 is an abundant number, since it is smaller than the sum of its proper divisors (17072899193360).

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

12000000022000 is a wasteful number, since it uses less digits than its factorization.

12000000022000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528 (or 6512 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 12000000022000 its reverse (22000000021), we get a palindrome (12022000022021).

The spelling of 12000000022000 in words is "twelve trillion, twenty-two thousand".