12111212010200 has 48 divisors (see below), whose sum is σ = 28437365673360. Its totient is φ = 4796519600000.

The previous prime is 12111212010133. The next prime is 12111212010251. The reversal of 12111212010200 is 201021211121.

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, 299762276 + ... + 299802675.

It is an arithmetic number, because the mean of its divisors is an integer number (592445118195).

Almost surely, 2^{12111212010200} is an apocalyptic number.

12111212010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111212010200 is an abundant number, since it is smaller than the sum of its proper divisors (16326153663160).

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

12111212010200 is a wasteful number, since it uses less digits than its factorization.

12111212010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599565068 (or 599565059 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12111212010200 its reverse (201021211121), we get a palindrome (12312233221321).

The spelling of 12111212010200 in words is "twelve trillion, one hundred eleven billion, two hundred twelve million, ten thousand, two hundred".