320102120310000 has 400 divisors, whose sum is σ = 1182576209278464. Its totient is φ = 73065522816000.

The previous prime is 320102120309929. The next prime is 320102120310019. The reversal of 320102120310000 is 13021201023.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×320102120310000² (a number of 30 digits) contains 22 as substring.

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

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 151621654 + ... + 153718346.

Almost surely, 2^{320102120310000} is an apocalyptic number.

320102120310000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320102120310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591288104639232).

320102120310000 is an abundant number, since it is smaller than the sum of its proper divisors (862474088968464).

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

320102120310000 is a wasteful number, since it uses less digits than its factorization.

320102120310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097458 (or 2097437 counting only the distinct ones).

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

Adding to 320102120310000 its reverse (13021201023), we get a palindrome (320115141511023).

The spelling of 320102120310000 in words is "three hundred twenty trillion, one hundred two billion, one hundred twenty million, three hundred ten thousand".