12120002112122 has 8 divisors (see below), whose sum is σ = 18180029874036. Its totient is φ = 6059992154112.

The previous prime is 12120002112107. The next prime is 12120002112143. The reversal of 12120002112122 is 22121120002121.

It can be written as a sum of positive squares in 2 ways, for example, as 11385434841361 + 734567270761 = 3374231^2 + 857069^2 .

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 12120002112122.

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 3 ways as a sum of consecutive naturals, for example, 2594183 + ... + 5565050.

Almost surely, 2^{12120002112122} is an apocalyptic number.

12120002112122 is a deficient number, since it is larger than the sum of its proper divisors (6060027761914).

12120002112122 is an equidigital number, since it uses as much as digits as its factorization.

12120002112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901952.

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

Adding to 12120002112122 its reverse (22121120002121), we get a palindrome (34241122114243).

The spelling of 12120002112122 in words is "twelve trillion, one hundred twenty billion, two million, one hundred twelve thousand, one hundred twenty-two".