320001120312000 has 112 divisors (see below), whose sum is σ = 1056643699349472. Its totient is φ = 85333632076800.

The previous prime is 320001120311959. The next prime is 320001120312011. The reversal of 320001120312000 is 213021100023.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6666666007 + ... + 6666714006.

Almost surely, 2^{320001120312000} is an apocalyptic number.

320001120312000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320001120312000 is an abundant number, since it is smaller than the sum of its proper divisors (736642579037472).

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

320001120312000 is a wasteful number, since it uses less digits than its factorization.

320001120312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333380043 (or 13333380023 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 320001120312000 its reverse (213021100023), we get a palindrome (320214141412023).

The spelling of 320001120312000 in words is "three hundred twenty trillion, one billion, one hundred twenty million, three hundred twelve thousand".