12001122011222 has 32 divisors (see below), whose sum is σ = 18555570367488. Its totient is φ = 5818724100000.

The previous prime is 12001122011201. The next prime is 12001122011257. The reversal of 12001122011222 is 22211022110021.

12001122011222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12001122011222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216790847 + ... + 216846197.

It is an arithmetic number, because the mean of its divisors is an integer number (579861573984).

Almost surely, 2^{12001122011222} is an apocalyptic number.

12001122011222 is a deficient number, since it is larger than the sum of its proper divisors (6554448356266).

12001122011222 is a wasteful number, since it uses less digits than its factorization.

12001122011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80516.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12001122011222 its reverse (22211022110021), we get a palindrome (34212144121243).

The spelling of 12001122011222 in words is "twelve trillion, one billion, one hundred twenty-two million, eleven thousand, two hundred twenty-two".