1320001256382 has 16 divisors (see below), whose sum is σ = 2640014197632. Its totient is φ = 439998471320.

The previous prime is 1320001256323. The next prime is 1320001256383. The reversal of 1320001256382 is 2836521000231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320001256383) 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, 1829257 + ... + 2446667.

It is an arithmetic number, because the mean of its divisors is an integer number (165000887352).

Almost surely, 2^{1320001256382} is an apocalyptic number.

1320001256382 is an abundant number, since it is smaller than the sum of its proper divisors (1320012941250).

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

1320001256382 is a wasteful number, since it uses less digits than its factorization.

1320001256382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973743.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 1320001256382 in words is "one trillion, three hundred twenty billion, one million, two hundred fifty-six thousand, three hundred eighty-two".