12022202221000 has 32 divisors (see below), whose sum is σ = 28131953199480. Its totient is φ = 4808880888000.

The previous prime is 12022202220911. The next prime is 12022202221013. The reversal of 12022202221000 is 12220222021.

12022202221000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7012295909476 + 5009906311524 = 2648074^2 + 2238282^2 .

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, 6011100111 + ... + 6011102110.

Almost surely, 2^{12022202221000} is an apocalyptic number.

12022202221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022202221000 is an abundant number, since it is smaller than the sum of its proper divisors (16109750978480).

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

12022202221000 is a wasteful number, since it uses less digits than its factorization.

12022202221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022202242 (or 12022202228 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12022202221000 its reverse (12220222021), we get a palindrome (12034422443021).

The spelling of 12022202221000 in words is "twelve trillion, twenty-two billion, two hundred two million, two hundred twenty-one thousand".