12002012122200 has 96 divisors (see below), whose sum is σ = 37208473267200. Its totient is φ = 3200344248960.

The previous prime is 12002012122171. The next prime is 12002012122201. The reversal of 12002012122200 is 222121020021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12002012122200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002012122201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9534849 + ... + 10719951.

It is an arithmetic number, because the mean of its divisors is an integer number (387588263200).

Almost surely, 2^{12002012122200} is an apocalyptic number.

12002012122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002012122200 is an abundant number, since it is smaller than the sum of its proper divisors (25206461145000).

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

12002012122200 is a wasteful number, since it uses less digits than its factorization.

12002012122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202001 (or 1201992 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12002012122200 its reverse (222121020021), we get a palindrome (12224133142221).

The spelling of 12002012122200 in words is "twelve trillion, two billion, twelve million, one hundred twenty-two thousand, two hundred".