12122110103 has 4 divisors (see below), whose sum is σ = 12124357440. Its totient is φ = 12119862768.

The previous prime is 12122110069. The next prime is 12122110123. The reversal of 12122110103 is 30101122121.

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 12122110103 - 2²⁴ = 12105332887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122110123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115558 + ... + 1126371.

It is an arithmetic number, because the mean of its divisors is an integer number (3031089360).

Almost surely, 2^12122110103 is an apocalyptic number.

12122110103 is a deficient number, since it is larger than the sum of its proper divisors (2247337).

12122110103 is an equidigital number, since it uses as much as digits as its factorization.

12122110103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247336.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12122110103 its reverse (30101122121), we get a palindrome (42223232224).

The spelling of 12122110103 in words is "twelve billion, one hundred twenty-two million, one hundred ten thousand, one hundred three".