12120220111222 has 8 divisors (see below), whose sum is σ = 18180391622400. Its totient is φ = 6060089570424.

The previous prime is 12120220111211. The next prime is 12120220111271. The reversal of 12120220111222 is 22211102202121.

12120220111222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12120220111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9492022 + ... + 10692937.

It is an arithmetic number, because the mean of its divisors is an integer number (2272548952800).

Almost surely, 2^{12120220111222} is an apocalyptic number.

12120220111222 is a deficient number, since it is larger than the sum of its proper divisors (6060171511178).

12120220111222 is a wasteful number, since it uses less digits than its factorization.

12120220111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20485190.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12120220111222 its reverse (22211102202121), we get a palindrome (34331322313343).

The spelling of 12120220111222 in words is "twelve trillion, one hundred twenty billion, two hundred twenty million, one hundred eleven thousand, two hundred twenty-two".