2012432565 has 48 divisors (see below), whose sum is σ = 3803647680. Its totient is φ = 900656640.

The previous prime is 2012432509. The next prime is 2012432581. The reversal of 2012432565 is 5652342102.

It is not a de Polignac number, because 2012432565 - 2⁶ = 2012432501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8200 + ... + 63969.

It is an arithmetic number, because the mean of its divisors is an integer number (79242660).

Almost surely, 2^2012432565 is an apocalyptic number.

It is an amenable number.

2012432565 is a deficient number, since it is larger than the sum of its proper divisors (1791215115).

2012432565 is a wasteful number, since it uses less digits than its factorization.

2012432565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72214 (or 72201 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2012432565 is about 44860.1445048943. The cubic root of 2012432565 is about 1262.5263339931.

Adding to 2012432565 its reverse (5652342102), we get a palindrome (7664774667).

The spelling of 2012432565 in words is "two billion, twelve million, four hundred thirty-two thousand, five hundred sixty-five".