12000001222222 has 16 divisors (see below), whose sum is σ = 19386304780752. Its totient is φ = 5537979982080.

The previous prime is 12000001222219. The next prime is 12000001222249. The reversal of 12000001222222 is 22222210000021.

It is a super-3 number, since 3×12000001222222³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12000001222196 and 12000001222205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19783843 + ... + 20381374.

It is an arithmetic number, because the mean of its divisors is an integer number (1211644048797).

Almost surely, 2^{12000001222222} is an apocalyptic number.

12000001222222 is a deficient number, since it is larger than the sum of its proper divisors (7386303558530).

12000001222222 is a wasteful number, since it uses less digits than its factorization.

12000001222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40176723.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12000001222222 its reverse (22222210000021), we get a palindrome (34222211222243).

The spelling of 12000001222222 in words is "twelve trillion, one million, two hundred twenty-two thousand, two hundred twenty-two".