12106226123 has 4 divisors (see below), whose sum is σ = 12140914800. Its totient is φ = 12071537448.

The previous prime is 12106226101. The next prime is 12106226129. The reversal of 12106226123 is 32162260121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32162260121 = 433 ⋅74277737.

It is a cyclic number.

It is not a de Polignac number, because 12106226123 - 2¹⁶ = 12106160587 is a prime.

It is a super-2 number, since 2×12106226123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12106226092 and 12106226101.

It is not an unprimeable number, because it can be changed into a prime (12106226129) 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, 17343815 + ... + 17344512.

It is an arithmetic number, because the mean of its divisors is an integer number (3035228700).

Almost surely, 2^12106226123 is an apocalyptic number.

12106226123 is a deficient number, since it is larger than the sum of its proper divisors (34688677).

12106226123 is an equidigital number, since it uses as much as digits as its factorization.

12106226123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34688676.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 12106226123 its reverse (32162260121), we get a palindrome (44268486244).

The spelling of 12106226123 in words is "twelve billion, one hundred six million, two hundred twenty-six thousand, one hundred twenty-three".