12223010091 has 4 divisors (see below), whose sum is σ = 16297346792. Its totient is φ = 8148673392.

The previous prime is 12223010087. The next prime is 12223010101. The reversal of 12223010091 is 19001032221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19001032221 = 3 ⋅6333677407.

It is not a de Polignac number, because 12223010091 - 2² = 12223010087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223010291) 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, 2037168346 + ... + 2037168351.

It is an arithmetic number, because the mean of its divisors is an integer number (4074336698).

Almost surely, 2^12223010091 is an apocalyptic number.

12223010091 is a deficient number, since it is larger than the sum of its proper divisors (4074336701).

12223010091 is an equidigital number, since it uses as much as digits as its factorization.

12223010091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074336700.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 12223010091 in words is "twelve billion, two hundred twenty-three million, ten thousand, ninety-one".