12120002021222 has 8 divisors (see below), whose sum is σ = 19249414974936. Its totient is φ = 5703530362912.

The previous prime is 12120002021213. The next prime is 12120002021243. The reversal of 12120002021222 is 22212020002121.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12120002021222.

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, 178235323808 + ... + 178235323875.

It is an arithmetic number, because the mean of its divisors is an integer number (2406176871867).

Almost surely, 2^{12120002021222} is an apocalyptic number.

12120002021222 is a deficient number, since it is larger than the sum of its proper divisors (7129412953714).

12120002021222 is a wasteful number, since it uses less digits than its factorization.

12120002021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356470647702.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12120002021222 its reverse (22212020002121), we get a palindrome (34332022023343).

The spelling of 12120002021222 in words is "twelve trillion, one hundred twenty billion, two million, twenty-one thousand, two hundred twenty-two".