12000022022 has 4 divisors (see below), whose sum is σ = 18000033036. Its totient is φ = 6000011010.

The previous prime is 12000021961. The next prime is 12000022031. The reversal of 12000022022 is 22022000021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22022000021 = 7 ⋅3146000003.

It is a junction number, because it is equal to n+sod(n) for n = 12000021994 and 12000022012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000005504 + ... + 3000005507.

It is an arithmetic number, because the mean of its divisors is an integer number (4500008259).

Almost surely, 2^12000022022 is an apocalyptic number.

12000022022 is a deficient number, since it is larger than the sum of its proper divisors (6000011014).

12000022022 is an equidigital number, since it uses as much as digits as its factorization.

12000022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000011013.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12000022022 its reverse (22022000021), we get a palindrome (34022022043).

The spelling of 12000022022 in words is "twelve billion, twenty-two thousand, twenty-two".