12123323202122 has 16 divisors (see below), whose sum is σ = 19877921100000. Its totient is φ = 5499558161040.

The previous prime is 12123323202119. The next prime is 12123323202139. The reversal of 12123323202122 is 22120232332121.

It is a junction number, because it is equal to n+sod(n) for n = 12123323202091 and 12123323202100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552153497 + ... + 552175452.

It is an arithmetic number, because the mean of its divisors is an integer number (1242370068750).

Almost surely, 2^{12123323202122} is an apocalyptic number.

12123323202122 is a deficient number, since it is larger than the sum of its proper divisors (7754597897878).

12123323202122 is a wasteful number, since it uses less digits than its factorization.

12123323202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104329461.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12123323202122 its reverse (22120232332121), we get a palindrome (34243555534243).

The spelling of 12123323202122 in words is "twelve trillion, one hundred twenty-three billion, three hundred twenty-three million, two hundred two thousand, one hundred twenty-two".