12132022417 has 4 divisors (see below), whose sum is σ = 12175197156. Its totient is φ = 12088847680.

The previous prime is 12132022403. The next prime is 12132022459. The reversal of 12132022417 is 71422023121.

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 3558003201 + 8574019216 = 59649^2 + 92596^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132022417 - 2⁷ = 12132022289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12132022391 and 12132022400.

It is not an unprimeable number, because it can be changed into a prime (12132022117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21586948 + ... + 21587509.

It is an arithmetic number, because the mean of its divisors is an integer number (3043799289).

Almost surely, 2^12132022417 is an apocalyptic number.

It is an amenable number.

12132022417 is a deficient number, since it is larger than the sum of its proper divisors (43174739).

12132022417 is an equidigital number, since it uses as much as digits as its factorization.

12132022417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43174738.

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 12132022417 its reverse (71422023121), we get a palindrome (83554045538).

The spelling of 12132022417 in words is "twelve billion, one hundred thirty-two million, twenty-two thousand, four hundred seventeen".