12002212122200 has 96 divisors (see below), whose sum is σ = 28125337623600. Its totient is φ = 4763049730560.

The previous prime is 12002212122137. The next prime is 12002212122217. The reversal of 12002212122200 is 222121220021.

It is a happy number.

It is a congruent number.

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, 40244834 + ... + 40541966.

Almost surely, 2^{12002212122200} is an apocalyptic number.

12002212122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002212122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14062668811800).

12002212122200 is an abundant number, since it is smaller than the sum of its proper divisors (16123125501400).

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

12002212122200 is a wasteful number, since it uses less digits than its factorization.

12002212122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298741 (or 298732 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12002212122200 its reverse (222121220021), we get a palindrome (12224333342221).

The spelling of 12002212122200 in words is "twelve trillion, two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred".