12011101011222 has 32 divisors (see below), whose sum is σ = 24114135082752. Its totient is φ = 3988378911264.

The previous prime is 12011101011211. The next prime is 12011101011269. The reversal of 12011101011222 is 22211010111021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93774928 + ... + 93902924.

It is an arithmetic number, because the mean of its divisors is an integer number (753566721336).

Almost surely, 2^{12011101011222} is an apocalyptic number.

12011101011222 is an abundant number, since it is smaller than the sum of its proper divisors (12103034071530).

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

12011101011222 is a wasteful number, since it uses less digits than its factorization.

12011101011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187732.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12011101011222 its reverse (22211010111021), we get a palindrome (34222111122243).

The spelling of 12011101011222 in words is "twelve trillion, eleven billion, one hundred one million, eleven thousand, two hundred twenty-two".