12122222103 has 10 divisors (see below), whose sum is σ = 18108504744. Its totient is φ = 8081481348.

The previous prime is 12122222027. The next prime is 12122222117. The reversal of 12122222103 is 30122222121.

12122222103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12122222103 - 2⁹ = 12122221591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122222153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 74828451 + ... + 74828612.

Almost surely, 2^12122222103 is an apocalyptic number.

12122222103 is a deficient number, since it is larger than the sum of its proper divisors (5986282641).

12122222103 is an equidigital number, since it uses as much as digits as its factorization.

12122222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149657075 (or 149657066 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12122222103 its sum of digits (18), we get a palindrome (12122222121).

Adding to 12122222103 its reverse (30122222121), we get a palindrome (42244444224).

The spelling of 12122222103 in words is "twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred three".