12200021222000 has 40 divisors (see below), whose sum is σ = 29499651319632. Its totient is φ = 4880008488000.

The previous prime is 12200021221859. The next prime is 12200021222017. The reversal of 12200021222000 is 22212000221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050003306 + ... + 3050007305.

Almost surely, 2^{12200021222000} is an apocalyptic number.

12200021222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200021222000 is an abundant number, since it is smaller than the sum of its proper divisors (17299630097632).

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

12200021222000 is an equidigital number, since it uses as much as digits as its factorization.

12200021222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100010634 (or 6100010618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12200021222000 its reverse (22212000221), we get a palindrome (12222233222221).

The spelling of 12200021222000 in words is "twelve trillion, two hundred billion, twenty-one million, two hundred twenty-two thousand".