1320973512480 has 144 divisors (see below), whose sum is σ = 4543317402624. Its totient is φ = 349485857280.

The previous prime is 1320973512457. The next prime is 1320973512493. The reversal of 1320973512480 is 842153790231.

It is a happy number.

1320973512480 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 97 + 3 + 512 + 48 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3428706 + ... + 3794465.

It is an arithmetic number, because the mean of its divisors is an integer number (31550815296).

Almost surely, 2^{1320973512480} is an apocalyptic number.

1320973512480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320973512480 is an abundant number, since it is smaller than the sum of its proper divisors (3222343890144).

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

1320973512480 is a wasteful number, since it uses less digits than its factorization.

1320973512480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223319 (or 7223308 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 1320973512480 in words is "one trillion, three hundred twenty billion, nine hundred seventy-three million, five hundred twelve thousand, four hundred eighty".