12111121001222 has 8 divisors (see below), whose sum is σ = 18956537219376. Its totient is φ = 5792275261432.

The previous prime is 12111121001209. The next prime is 12111121001237. The reversal of 12111121001222 is 22210012111121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12111121001222.

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 3 ways as a sum of consecutive naturals, for example, 131642619533 + ... + 131642619624.

It is an arithmetic number, because the mean of its divisors is an integer number (2369567152422).

Almost surely, 2^{12111121001222} is an apocalyptic number.

12111121001222 is a deficient number, since it is larger than the sum of its proper divisors (6845416218154).

12111121001222 is a wasteful number, since it uses less digits than its factorization.

12111121001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263285239182.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111121001222 its reverse (22210012111121), we get a palindrome (34321133112343).

The spelling of 12111121001222 in words is "twelve trillion, one hundred eleven billion, one hundred twenty-one million, one thousand, two hundred twenty-two".