12111122120200 has 48 divisors (see below), whose sum is σ = 28437154609860. Its totient is φ = 4796484000000.

The previous prime is 12111122120179. The next prime is 12111122120231. The reversal of 12111122120200 is 202122111121.

It can be written as a sum of positive squares in 6 ways, for example, as 6147533454084 + 5963588666116 = 2479422^2 + 2442046^2 .

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, 299760051 + ... + 299800450.

Almost surely, 2^{12111122120200} is an apocalyptic number.

12111122120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111122120200 is an abundant number, since it is smaller than the sum of its proper divisors (16326032489660).

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

12111122120200 is a wasteful number, since it uses less digits than its factorization.

12111122120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599560618 (or 599560609 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12111122120200 its reverse (202122111121), we get a palindrome (12313244231321).

The spelling of 12111122120200 in words is "twelve trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, two hundred".