1322450412243 has 4 divisors (see below), whose sum is σ = 1763267216328. Its totient is φ = 881633608160.

The previous prime is 1322450412233. The next prime is 1322450412247. The reversal of 1322450412243 is 3422140542231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1322450412243 - 2¹⁷ = 1322450281171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1322450412247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220408402038 + ... + 220408402043.

It is an arithmetic number, because the mean of its divisors is an integer number (440816804082).

Almost surely, 2^{1322450412243} is an apocalyptic number.

1322450412243 is a deficient number, since it is larger than the sum of its proper divisors (440816804085).

1322450412243 is an equidigital number, since it uses as much as digits as its factorization.

1322450412243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440816804084.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1322450412243 its reverse (3422140542231), we get a palindrome (4744590954474).

The spelling of 1322450412243 in words is "one trillion, three hundred twenty-two billion, four hundred fifty million, four hundred twelve thousand, two hundred forty-three".