12002100012222 has 32 divisors (see below), whose sum is σ = 25071468986880. Its totient is φ = 3823149733920.

The previous prime is 12002100012179. The next prime is 12002100012223. The reversal of 12002100012222 is 22221000120021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002100012223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40839322 + ... + 41132157.

It is an arithmetic number, because the mean of its divisors is an integer number (783483405840).

Almost surely, 2^{12002100012222} is an apocalyptic number.

12002100012222 is an abundant number, since it is smaller than the sum of its proper divisors (13069368974658).

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

12002100012222 is a wasteful number, since it uses less digits than its factorization.

12002100012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81972568.

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

Adding to 12002100012222 its reverse (22221000120021), we get a palindrome (34223100132243).

The spelling of 12002100012222 in words is "twelve trillion, two billion, one hundred million, twelve thousand, two hundred twenty-two".