12011012200 has 48 divisors (see below), whose sum is σ = 30464300160. Its totient is φ = 4367640000.

The previous prime is 12011012171. The next prime is 12011012231. The reversal of 12011012200 is 221011021.

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 11 ways as a sum of consecutive naturals, for example, 2727576 + ... + 2731975.

It is an arithmetic number, because the mean of its divisors is an integer number (634672920).

Almost surely, 2^12011012200 is an apocalyptic number.

12011012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011012200 is an abundant number, since it is smaller than the sum of its proper divisors (18453287960).

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

12011012200 is a wasteful number, since it uses less digits than its factorization.

12011012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459578 (or 5459569 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12011012200 its reverse (221011021), we get a palindrome (12232023221).

The spelling of 12011012200 in words is "twelve billion, eleven million, twelve thousand, two hundred".