12022561226273 has 4 divisors (see below), whose sum is σ = 12947373628308. Its totient is φ = 11097748824240.

The previous prime is 12022561226261. The next prime is 12022561226321. The reversal of 12022561226273 is 37262216522021.

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 902817327889 + 11119743898384 = 950167^2 + 3334628^2 .

It is not a de Polignac number, because 12022561226273 - 2¹⁴ = 12022561209889 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 12022561226273.

It is not an unprimeable number, because it can be changed into a prime (12022561226873) 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, 462406200998 + ... + 462406201023.

It is an arithmetic number, because the mean of its divisors is an integer number (3236843407077).

Almost surely, 2^{12022561226273} is an apocalyptic number.

12022561226273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12022561226273 is a deficient number, since it is larger than the sum of its proper divisors (924812402035).

12022561226273 is an equidigital number, since it uses as much as digits as its factorization.

12022561226273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924812402034.

The product of its (nonzero) digits is 241920, while the sum is 41.

Adding to 12022561226273 its reverse (37262216522021), we get a palindrome (49284777748294).

The spelling of 12022561226273 in words is "twelve trillion, twenty-two billion, five hundred sixty-one million, two hundred twenty-six thousand, two hundred seventy-three".