2012313020 has 24 divisors (see below), whose sum is σ = 4227022800. Its totient is φ = 804703232.

The previous prime is 2012312999. The next prime is 2012313029. The reversal of 2012313020 is 203132102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012312986 and 2012313004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012313029) 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, 74051 + ... + 97509.

It is an arithmetic number, because the mean of its divisors is an integer number (176125950).

Almost surely, 2^2012313020 is an apocalyptic number.

2012313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012313020 is an abundant number, since it is smaller than the sum of its proper divisors (2214709780).

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

2012313020 is a wasteful number, since it uses less digits than its factorization.

2012313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27757 (or 27755 counting only the distinct ones).

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

The square root of 2012313020 is about 44858.8120663042. The cubic root of 2012313020 is about 1262.5013341162.

Adding to 2012313020 its reverse (203132102), we get a palindrome (2215445122).

The spelling of 2012313020 in words is "two billion, twelve million, three hundred thirteen thousand, twenty".