2012310140 has 24 divisors (see below), whose sum is σ = 4448265360. Its totient is φ = 762559488.

The previous prime is 2012310137. The next prime is 2012310169. The reversal of 2012310140 is 410132102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647397 + ... + 2648156.

It is an arithmetic number, because the mean of its divisors is an integer number (185344390).

Almost surely, 2^2012310140 is an apocalyptic number.

2012310140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012310140 is an abundant number, since it is smaller than the sum of its proper divisors (2435955220).

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

2012310140 is a wasteful number, since it uses less digits than its factorization.

2012310140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295581 (or 5295579 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2012310140 is about 44858.7799655764. The cubic root of 2012310140 is about 1262.5007318233.

Adding to 2012310140 its reverse (410132102), we get a palindrome (2422442242).

The spelling of 2012310140 in words is "two billion, twelve million, three hundred ten thousand, one hundred forty".