12022111221200 has 60 divisors (see below), whose sum is σ = 28885424279628. Its totient is φ = 4808461209600.

The previous prime is 12022111221167. The next prime is 12022111221233. The reversal of 12022111221200 is 212211122021.

It is an interprime number because it is at equal distance from previous prime (12022111221167) and next prime (12022111221233).

It can be written as a sum of positive squares in 6 ways, for example, as 54220053904 + 11967891167296 = 232852^2 + 3459464^2 .

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, 3853760 + ... + 6236640.

Almost surely, 2^{12022111221200} is an apocalyptic number.

12022111221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022111221200 is an abundant number, since it is smaller than the sum of its proper divisors (16863313058428).

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

12022111221200 is a wasteful number, since it uses less digits than its factorization.

12022111221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395512 (or 2395501 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12022111221200 its reverse (212211122021), we get a palindrome (12234322343221).

The spelling of 12022111221200 in words is "twelve trillion, twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, two hundred".