12120122021122 has 8 divisors (see below), whose sum is σ = 18185390771472. Its totient is φ = 6058325097300.

The previous prime is 12120122021083. The next prime is 12120122021153. The reversal of 12120122021122 is 22112022102121.

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 12120122021122.

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, 867947904 + ... + 867961867.

It is an arithmetic number, because the mean of its divisors is an integer number (2273173846434).

Almost surely, 2^{12120122021122} is an apocalyptic number.

12120122021122 is a deficient number, since it is larger than the sum of its proper divisors (6065268750350).

12120122021122 is a wasteful number, since it uses less digits than its factorization.

12120122021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735913264.

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

Adding to 12120122021122 its reverse (22112022102121), we get a palindrome (34232144123243).

The spelling of 12120122021122 in words is "twelve trillion, one hundred twenty billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty-two".