12135410531504 has 40 divisors (see below), whose sum is σ = 26421913910112. Its totient is φ = 5357438760960.

The previous prime is 12135410531483. The next prime is 12135410531533. The reversal of 12135410531504 is 40513501453121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268328257 + ... + 1268337824.

Almost surely, 2^{12135410531504} is an apocalyptic number.

It is an amenable number.

12135410531504 is an abundant number, since it is smaller than the sum of its proper divisors (14286503378608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12135410531504 is a wasteful number, since it uses less digits than its factorization.

12135410531504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536666125 (or 2536666119 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 12135410531504 its reverse (40513501453121), we get a palindrome (52648911984625).

The spelling of 12135410531504 in words is "twelve trillion, one hundred thirty-five billion, four hundred ten million, five hundred thirty-one thousand, five hundred four".