12532451836 has 24 divisors (see below), whose sum is σ = 22099109760. Its totient is φ = 6218459952.

The previous prime is 12532451803. The next prime is 12532451839. The reversal of 12532451836 is 63815423521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532451839) 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, 2111505 + ... + 2117431.

It is an arithmetic number, because the mean of its divisors is an integer number (920796240).

Almost surely, 2^12532451836 is an apocalyptic number.

It is an amenable number.

12532451836 is a deficient number, since it is larger than the sum of its proper divisors (9566657924).

12532451836 is a wasteful number, since it uses less digits than its factorization.

12532451836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873 (or 9871 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The spelling of 12532451836 in words is "twelve billion, five hundred thirty-two million, four hundred fifty-one thousand, eight hundred thirty-six".