12532346505 has 48 divisors (see below), whose sum is σ = 24857099904. Its totient is φ = 5721891840.

The previous prime is 12532346503. The next prime is 12532346507. The reversal of 12532346505 is 50564323521.

12532346505 is a `hidden beast` number, since 125 + 3 + 23 + 4 + 6 + 505 = 666.

It is an interprime number because it is at equal distance from previous prime (12532346503) and next prime (12532346507).

It is not a de Polignac number, because 12532346505 - 2¹ = 12532346503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12532346505.

It is not an unprimeable number, because it can be changed into a prime (12532346503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230937 + ... + 279993.

It is an arithmetic number, because the mean of its divisors is an integer number (517856248).

Almost surely, 2^12532346505 is an apocalyptic number.

12532346505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12532346505 is a deficient number, since it is larger than the sum of its proper divisors (12324753399).

12532346505 is a wasteful number, since it uses less digits than its factorization.

12532346505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49886 (or 49883 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 12532346505 in words is "twelve billion, five hundred thirty-two million, three hundred forty-six thousand, five hundred five".