12532342251 has 32 divisors (see below), whose sum is σ = 20785863168. Its totient is φ = 6598679040.

The previous prime is 12532342243. The next prime is 12532342267. The reversal of 12532342251 is 15224323521.

It is not a de Polignac number, because 12532342251 - 2³ = 12532342243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12532342201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 851911 + ... + 866496.

It is an arithmetic number, because the mean of its divisors is an integer number (649558224).

Almost surely, 2^12532342251 is an apocalyptic number.

12532342251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12532342251 is a deficient number, since it is larger than the sum of its proper divisors (8253520917).

12532342251 is a wasteful number, since it uses less digits than its factorization.

12532342251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718451.

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

Adding to 12532342251 its reverse (15224323521), we get a palindrome (27756665772).

The spelling of 12532342251 in words is "twelve billion, five hundred thirty-two million, three hundred forty-two thousand, two hundred fifty-one".