1219247373344 has 576 divisors, whose sum is σ = 3387573124992. Its totient is φ = 424308326400.

The previous prime is 1219247373269. The next prime is 1219247373367. The reversal of 1219247373344 is 4433737429121.

It is a junction number, because it is equal to n+sod(n) for n = 1219247373292 and 1219247373301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2331256667 + ... + 2331257189.

It is an arithmetic number, because the mean of its divisors is an integer number (5881203342).

Almost surely, 2^{1219247373344} is an apocalyptic number.

1219247373344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1219247373344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693786562496).

1219247373344 is an abundant number, since it is smaller than the sum of its proper divisors (2168325751648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1219247373344 is a wasteful number, since it uses less digits than its factorization.

1219247373344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 874 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 50.

The spelling of 1219247373344 in words is "one trillion, two hundred nineteen billion, two hundred forty-seven million, three hundred seventy-three thousand, three hundred forty-four".