12101112200 has 48 divisors (see below), whose sum is σ = 28531388160. Its totient is φ = 4772264000.

The previous prime is 12101112197. The next prime is 12101112203. The reversal of 12101112200 is 221110121.

It is an interprime number because it is at equal distance from previous prime (12101112197) and next prime (12101112203).

It is not an unprimeable number, because it can be changed into a prime (12101112203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411896 + ... + 440295.

It is an arithmetic number, because the mean of its divisors is an integer number (594403920).

Almost surely, 2^12101112200 is an apocalyptic number.

12101112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101112200 is an abundant number, since it is smaller than the sum of its proper divisors (16430275960).

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

12101112200 is a wasteful number, since it uses less digits than its factorization.

12101112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852278 (or 852269 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101112200 its reverse (221110121), we get a palindrome (12322222321).

The spelling of 12101112200 in words is "twelve billion, one hundred one million, one hundred twelve thousand, two hundred".