1344221112243 has 32 divisors (see below), whose sum is σ = 1819494973440. Its totient is φ = 882606684960.

The previous prime is 1344221112217. The next prime is 1344221112251. The reversal of 1344221112243 is 3422111224431.

It is a happy number.

It is not a de Polignac number, because 1344221112243 - 2³³ = 1335631177651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1344221112243.

It is not an unprimeable number, because it can be changed into a prime (1344221112293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174502330 + ... + 174510032.

It is an arithmetic number, because the mean of its divisors is an integer number (56859217920).

Almost surely, 2^{1344221112243} is an apocalyptic number.

1344221112243 is a deficient number, since it is larger than the sum of its proper divisors (475273861197).

1344221112243 is an equidigital number, since it uses as much as digits as its factorization.

1344221112243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519.

The product of its digits is 9216, while the sum is 30.

Adding to 1344221112243 its reverse (3422111224431), we get a palindrome (4766332336674).

The spelling of 1344221112243 in words is "one trillion, three hundred forty-four billion, two hundred twenty-one million, one hundred twelve thousand, two hundred forty-three".