12012513123532 has 48 divisors (see below), whose sum is σ = 22390007270400. Its totient is φ = 5626899083520.

The previous prime is 12012513123517. The next prime is 12012513123539. The reversal of 12012513123532 is 23532131521021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12012513123494 and 12012513123503.

It is not an unprimeable number, because it can be changed into a prime (12012513123539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2612157 + ... + 5554132.

It is an arithmetic number, because the mean of its divisors is an integer number (466458484800).

Almost surely, 2^{12012513123532} is an apocalyptic number.

It is an amenable number.

12012513123532 is a deficient number, since it is larger than the sum of its proper divisors (10377494146868).

12012513123532 is a wasteful number, since it uses less digits than its factorization.

12012513123532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166646 (or 8166644 counting only the distinct ones).

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

Adding to 12012513123532 its reverse (23532131521021), we get a palindrome (35544644644553).

The spelling of 12012513123532 in words is "twelve trillion, twelve billion, five hundred thirteen million, one hundred twenty-three thousand, five hundred thirty-two".