12000020001222 has 32 divisors (see below), whose sum is σ = 26181990267264. Its totient is φ = 3636351857600.

The previous prime is 12000020001199. The next prime is 12000020001239. The reversal of 12000020001222 is 22210002000021.

It is a junction number, because it is equal to n+sod(n) for n = 12000020001198 and 12000020001207.

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, 20518597 + ... + 21095327.

It is an arithmetic number, because the mean of its divisors is an integer number (818187195852).

Almost surely, 2^{12000020001222} is an apocalyptic number.

12000020001222 is an abundant number, since it is smaller than the sum of its proper divisors (14181970266042).

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

12000020001222 is a wasteful number, since it uses less digits than its factorization.

12000020001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892004.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12000020001222 its reverse (22210002000021), we get a palindrome (34210022001243).

The spelling of 12000020001222 in words is "twelve trillion, twenty million, one thousand, two hundred twenty-two".