12422371345 has 8 divisors (see below), whose sum is σ = 15188107176. Its totient is φ = 9750389376.

The previous prime is 12422371337. The next prime is 12422371349. The reversal of 12422371345 is 54317322421.

It can be written as a sum of positive squares in 4 ways, for example, as 3222492289 + 9199879056 = 56767^2 + 95916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12422371345 - 2³ = 12422371337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12422371345.

It is not an unprimeable number, because it can be changed into a prime (12422371349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23438172 + ... + 23438701.

It is an arithmetic number, because the mean of its divisors is an integer number (1898513397).

Almost surely, 2^12422371345 is an apocalyptic number.

It is an amenable number.

12422371345 is a deficient number, since it is larger than the sum of its proper divisors (2765735831).

12422371345 is an equidigital number, since it uses as much as digits as its factorization.

12422371345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46876931.

The product of its digits is 40320, while the sum is 34.

Adding to 12422371345 its reverse (54317322421), we get a palindrome (66739693766).

The spelling of 12422371345 in words is "twelve billion, four hundred twenty-two million, three hundred seventy-one thousand, three hundred forty-five".