320101012120 has 16 divisors (see below), whose sum is σ = 720227277360. Its totient is φ = 128040404832.

The previous prime is 320101012093. The next prime is 320101012123. The reversal of 320101012120 is 21210101023.

It is a self number, because there is not a number n which added to its sum of digits gives 320101012120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320101012123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001262612 + ... + 4001262691.

It is an arithmetic number, because the mean of its divisors is an integer number (45014204835).

Almost surely, 2^320101012120 is an apocalyptic number.

It is an amenable number.

320101012120 is an abundant number, since it is smaller than the sum of its proper divisors (400126265240).

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

320101012120 is a wasteful number, since it uses less digits than its factorization.

320101012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002525314 (or 8002525310 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 320101012120 its reverse (21210101023), we get a palindrome (341311113143).

The spelling of 320101012120 in words is "three hundred twenty billion, one hundred one million, twelve thousand, one hundred twenty".