12531125312032 has 12 divisors (see below), whose sum is σ = 24670652958126. Its totient is φ = 6265562656000.

The previous prime is 12531125312029. The next prime is 12531125312081. The reversal of 12531125312032 is 23021352113521.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12225400362256 + 305724949776 = 3496484^2 + 552924^2 .

It is a super-3 number, since 3×12531125312032³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12531125311985 and 12531125312003.

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 as a sum of consecutive naturals, namely, 195798832969 + ... + 195798833032.

Almost surely, 2^{12531125312032} is an apocalyptic number.

It is an amenable number.

12531125312032 is a deficient number, since it is larger than the sum of its proper divisors (12139527646094).

12531125312032 is an equidigital number, since it uses as much as digits as its factorization.

12531125312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391597666011 (or 391597666003 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 12531125312032 its reverse (23021352113521), we get a palindrome (35552477425553).

The spelling of 12531125312032 in words is "twelve trillion, five hundred thirty-one billion, one hundred twenty-five million, three hundred twelve thousand, thirty-two".