212003222120123 has 16 divisors (see below), whose sum is σ = 245013418722240. Its totient is φ = 179674058843136.

The previous prime is 212003222120111. The next prime is 212003222120161. The reversal of 212003222120123 is 321021222300212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212003222120123 - 2³⁰ = 212002148378299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212003222120023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97027715 + ... + 99188627.

It is an arithmetic number, because the mean of its divisors is an integer number (15313338670140).

Almost surely, 2^{212003222120123} is an apocalyptic number.

212003222120123 is a deficient number, since it is larger than the sum of its proper divisors (33010196602117).

212003222120123 is a wasteful number, since it uses less digits than its factorization.

212003222120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318486.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212003222120123 its reverse (321021222300212), we get a palindrome (533024444420335).

The spelling of 212003222120123 in words is "two hundred twelve trillion, three billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twenty-three".