2122123300123 has 4 divisors (see below), whose sum is σ = 2122318736280. Its totient is φ = 2121927863968.

The previous prime is 2122123300117. The next prime is 2122123300181. The reversal of 2122123300123 is 3210033212212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122123300123 - 2⁵ = 2122123300091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122123300094 and 2122123300103.

It is not an unprimeable number, because it can be changed into a prime (2122123300183) by changing a digit.

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, 97701790 + ... + 97723507.

It is an arithmetic number, because the mean of its divisors is an integer number (530579684070).

Almost surely, 2^{2122123300123} is an apocalyptic number.

2122123300123 is a deficient number, since it is larger than the sum of its proper divisors (195436157).

2122123300123 is a wasteful number, since it uses less digits than its factorization.

2122123300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195436156.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2122123300123 its reverse (3210033212212), we get a palindrome (5332156512335).

The spelling of 2122123300123 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-three million, three hundred thousand, one hundred twenty-three".