1443778147812 has 192 divisors, whose sum is σ = 4619404468224. Its totient is φ = 338795343360.

The previous prime is 1443778147807. The next prime is 1443778147879. The reversal of 1443778147812 is 2187418773441.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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 63 ways as a sum of consecutive naturals, for example, 714103 + ... + 1843230.

It is an arithmetic number, because the mean of its divisors is an integer number (24059398272).

Almost surely, 2^{1443778147812} is an apocalyptic number.

1443778147812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1443778147812 is an abundant number, since it is smaller than the sum of its proper divisors (3175626320412).

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

1443778147812 is a wasteful number, since it uses less digits than its factorization.

1443778147812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557418 (or 2557416 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 57.

The spelling of 1443778147812 in words is "one trillion, four hundred forty-three billion, seven hundred seventy-eight million, one hundred forty-seven thousand, eight hundred twelve".