12222100122193 has 4 divisors (see below), whose sum is σ = 13162261670068. Its totient is φ = 11281938574320.

The previous prime is 12222100122163. The next prime is 12222100122263. The reversal of 12222100122193 is 39122100122221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2890248205329 + 9331851916864 = 1700073^2 + 3054808^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222100122193 - 2³⁷ = 12084661168721 is a prime.

It is a super-2 number, since 2×12222100122193² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222100122143) 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, 470080773918 + ... + 470080773943.

It is an arithmetic number, because the mean of its divisors is an integer number (3290565417517).

Almost surely, 2^{12222100122193} is an apocalyptic number.

12222100122193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12222100122193 is a deficient number, since it is larger than the sum of its proper divisors (940161547875).

12222100122193 is an equidigital number, since it uses as much as digits as its factorization.

12222100122193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940161547874.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 12222100122193 its sum of digits (28), we get a palindrome (12222100122221).

The spelling of 12222100122193 in words is "twelve trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-two thousand, one hundred ninety-three".