2012103040 has 64 divisors (see below), whose sum is σ = 5063382000. Its totient is φ = 762476544.

The previous prime is 2012103001. The next prime is 2012103047. The reversal of 2012103040 is 403012102.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 2012103040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012103047) 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, 70575 + ... + 94894.

Almost surely, 2^2012103040 is an apocalyptic number.

2012103040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012103040 is an abundant number, since it is smaller than the sum of its proper divisors (3051278960).

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

2012103040 is a wasteful number, since it uses less digits than its factorization.

2012103040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165507 (or 165495 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2012103040 is about 44856.4715509368. The cubic root of 2012103040 is about 1262.4574196011.

Adding to 2012103040 its reverse (403012102), we get a palindrome (2415115142).

The spelling of 2012103040 in words is "two billion, twelve million, one hundred three thousand, forty".