2012123303140 has 24 divisors (see below), whose sum is σ = 4225618144440. Its totient is φ = 804818995968.

The previous prime is 2012123303131. The next prime is 2012123303153. The reversal of 2012123303140 is 413033212102.

It can be written as a sum of positive squares in 4 ways, for example, as 162583142656 + 1849540160484 = 403216^2 + 1359978^2 .

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, 1347387 + ... + 2416546.

It is an arithmetic number, because the mean of its divisors is an integer number (176067422685).

Almost surely, 2^{2012123303140} is an apocalyptic number.

2012123303140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012123303140 is an abundant number, since it is smaller than the sum of its proper divisors (2213494841300).

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

2012123303140 is a wasteful number, since it uses less digits than its factorization.

2012123303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790671 (or 3790669 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2012123303140 its reverse (413033212102), we get a palindrome (2425156515242).

The spelling of 2012123303140 in words is "two trillion, twelve billion, one hundred twenty-three million, three hundred three thousand, one hundred forty".