12212123119 has 4 divisors (see below), whose sum is σ = 13956712144. Its totient is φ = 10467534096.

The previous prime is 12212123113. The next prime is 12212123141. The reversal of 12212123119 is 91132121221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91132121221 = 17 ⋅5360713013.

It is a cyclic number.

It is not a de Polignac number, because 12212123119 - 2⁵ = 12212123087 is a prime.

It is a super-2 number, since 2×12212123119² (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 = 12212123093 and 12212123102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212123113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872294502 + ... + 872294515.

It is an arithmetic number, because the mean of its divisors is an integer number (3489178036).

Almost surely, 2^12212123119 is an apocalyptic number.

12212123119 is a deficient number, since it is larger than the sum of its proper divisors (1744589025).

12212123119 is an equidigital number, since it uses as much as digits as its factorization.

12212123119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744589024.

The product of its digits is 432, while the sum is 25.

The spelling of 12212123119 in words is "twelve billion, two hundred twelve million, one hundred twenty-three thousand, one hundred nineteen".