12122110123 has 2 divisors, whose sum is σ = 12122110124. Its totient is φ = 12122110122.

The previous prime is 12122110069. The next prime is 12122110153. The reversal of 12122110123 is 32101122121.

It is a strong prime.

It is an emirp because it is prime and its reverse (32101122121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122110123 - 2²⁵ = 12088555691 is a prime.

It is a super-3 number, since 3×12122110123³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122110097 and 12122110106.

It is not a weakly prime, because it can be changed into another prime (12122110153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061055061 + 6061055062.

It is an arithmetic number, because the mean of its divisors is an integer number (6061055062).

Almost surely, 2^12122110123 is an apocalyptic number.

12122110123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122110123 is an equidigital number, since it uses as much as digits as its factorization.

12122110123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12122110123 its reverse (32101122121), we get a palindrome (44223232244).

The spelling of 12122110123 in words is "twelve billion, one hundred twenty-two million, one hundred ten thousand, one hundred twenty-three".