12100222220000 has 60 divisors (see below), whose sum is σ = 29768361743736. Its totient is φ = 4840088880000.

The previous prime is 12100222219997. The next prime is 12100222220017. The reversal of 12100222220000 is 2222200121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 302485556 + ... + 302525555.

Almost surely, 2^{12100222220000} is an apocalyptic number.

12100222220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100222220000 is an abundant number, since it is smaller than the sum of its proper divisors (17668139523736).

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

12100222220000 is an frugal number, since it uses more digits than its factorization.

12100222220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605011141 (or 605011118 counting only the distinct ones).

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

Adding to 12100222220000 its reverse (2222200121), we get a palindrome (12102444420121).

The spelling of 12100222220000 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, two hundred twenty thousand".