12844225105919 has 8 divisors (see below), whose sum is σ = 13087078759872. Its totient is φ = 12601390332960.

The previous prime is 12844225105853. The next prime is 12844225105927. The reversal of 12844225105919 is 91950152244821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12844225105919 is a prime.

It is a super-2 number, since 2×12844225105919² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12844225105969) 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, 3343079 + ... + 6071624.

It is an arithmetic number, because the mean of its divisors is an integer number (1635884844984).

Almost surely, 2^{12844225105919} is an apocalyptic number.

12844225105919 is a deficient number, since it is larger than the sum of its proper divisors (242853653953).

12844225105919 is an equidigital number, since it uses as much as digits as its factorization.

12844225105919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9440497.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 12844225105919 in words is "twelve trillion, eight hundred forty-four billion, two hundred twenty-five million, one hundred five thousand, nine hundred nineteen".