2012430040 has 16 divisors (see below), whose sum is σ = 4527967680. Its totient is φ = 804972000.

The previous prime is 2012429989. The next prime is 2012430041. The reversal of 2012430040 is 400342102.

It is a junction number, because it is equal to n+sod(n) for n = 2012429996 and 2012430023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012430041) 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, 25155336 + ... + 25155415.

It is an arithmetic number, because the mean of its divisors is an integer number (282997980).

Almost surely, 2^2012430040 is an apocalyptic number.

2012430040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012430040 is an abundant number, since it is smaller than the sum of its proper divisors (2515537640).

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

2012430040 is a wasteful number, since it uses less digits than its factorization.

2012430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50310762 (or 50310758 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2012430040 is about 44860.1163618642. The cubic root of 2012430040 is about 1262.5258059621.

Adding to 2012430040 its reverse (400342102), we get a palindrome (2412772142).

The spelling of 2012430040 in words is "two billion, twelve million, four hundred thirty thousand, forty".