12002100222 has 32 divisors (see below), whose sum is σ = 27553190400. Its totient is φ = 3414194208.

The previous prime is 12002100217. The next prime is 12002100233. The reversal of 12002100222 is 22200120021.

It is a junction number, because it is equal to n+sod(n) for n = 12002100198 and 12002100207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614322 + ... + 633557.

It is an arithmetic number, because the mean of its divisors is an integer number (861037200).

Almost surely, 2^12002100222 is an apocalyptic number.

12002100222 is an abundant number, since it is smaller than the sum of its proper divisors (15551090178).

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

12002100222 is a wasteful number, since it uses less digits than its factorization.

12002100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248120.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12002100222 its reverse (22200120021), we get a palindrome (34202220243).

The spelling of 12002100222 in words is "twelve billion, two million, one hundred thousand, two hundred twenty-two".