12200111001100 has 72 divisors (see below), whose sum is σ = 30579871856688. Its totient is φ = 4175439052800.

The previous prime is 12200111001041. The next prime is 12200111001119. The reversal of 12200111001100 is 110011100221.

It is a super-2 number, since 2×12200111001100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326187477 + ... + 326224876.

It is an arithmetic number, because the mean of its divisors is an integer number (424720442454).

Almost surely, 2^{12200111001100} is an apocalyptic number.

12200111001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12200111001100 is an abundant number, since it is smaller than the sum of its proper divisors (18379760855588).

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

12200111001100 is a wasteful number, since it uses less digits than its factorization.

12200111001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652412395 (or 652412388 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12200111001100 its reverse (110011100221), we get a palindrome (12310122101321).

The spelling of 12200111001100 in words is "twelve trillion, two hundred billion, one hundred eleven million, one thousand, one hundred".