1320044412800 has 96 divisors (see below), whose sum is σ = 3290839800600. Its totient is φ = 523173427200.

The previous prime is 1320044412779. The next prime is 1320044412803. The reversal of 1320044412800 is 82144400231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320044412803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543466 + ... + 2241065.

Almost surely, 2^{1320044412800} is an apocalyptic number.

1320044412800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320044412800 is an abundant number, since it is smaller than the sum of its proper divisors (1970795387800).

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

1320044412800 is a wasteful number, since it uses less digits than its factorization.

1320044412800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784664 (or 3784647 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 1320044412800 in words is "one trillion, three hundred twenty billion, forty-four million, four hundred twelve thousand, eight hundred".