2012310320 has 20 divisors (see below), whose sum is σ = 4678621680. Its totient is φ = 804924096.

The previous prime is 2012310317. The next prime is 2012310323. The reversal of 2012310320 is 230132102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2012310317) and next prime (2012310323).

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2012310295 and 2012310304.

It is not an unprimeable number, because it can be changed into a prime (2012310323) 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, 12576860 + ... + 12577019.

It is an arithmetic number, because the mean of its divisors is an integer number (233931084).

Almost surely, 2^2012310320 is an apocalyptic number.

2012310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012310320 is an abundant number, since it is smaller than the sum of its proper divisors (2666311360).

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

2012310320 is a wasteful number, since it uses less digits than its factorization.

2012310320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25153892 (or 25153886 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2012310320 is about 44858.7819718726. The cubic root of 2012310320 is about 1262.5007694666.

Adding to 2012310320 its reverse (230132102), we get a palindrome (2242442422).

The spelling of 2012310320 in words is "two billion, twelve million, three hundred ten thousand, three hundred twenty".