12001111002222 has 16 divisors (see below), whose sum is σ = 24008920965120. Its totient is φ = 3999253840632.

The previous prime is 12001111002193. The next prime is 12001111002271. The reversal of 12001111002222 is 22220011110021.

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, 279100072 + ... + 279143067.

It is an arithmetic number, because the mean of its divisors is an integer number (1500557560320).

Almost surely, 2^{12001111002222} is an apocalyptic number.

12001111002222 is an abundant number, since it is smaller than the sum of its proper divisors (12007809962898).

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

12001111002222 is a wasteful number, since it uses less digits than its factorization.

12001111002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558246727.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12001111002222 its reverse (22220011110021), we get a palindrome (34221122112243).

The spelling of 12001111002222 in words is "twelve trillion, one billion, one hundred eleven million, two thousand, two hundred twenty-two".