12534115143321 has 24 divisors (see below), whose sum is σ = 18147385576320. Its totient is φ = 8336438683776.

The previous prime is 12534115143317. The next prime is 12534115143349. The reversal of 12534115143321 is 12334151143521.

12534115143321 is a `hidden beast` number, since 1 + 2 + 53 + 4 + 1 + 151 + 433 + 21 = 666.

It is not a de Polignac number, because 12534115143321 - 2² = 12534115143317 is a prime.

It is a super-3 number, since 3×12534115143321³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12534115143301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127176100 + ... + 127274618.

It is an arithmetic number, because the mean of its divisors is an integer number (756141065680).

Almost surely, 2^{12534115143321} is an apocalyptic number.

It is an amenable number.

12534115143321 is a deficient number, since it is larger than the sum of its proper divisors (5613270432999).

12534115143321 is a wasteful number, since it uses less digits than its factorization.

12534115143321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131605 (or 131602 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 12534115143321 its reverse (12334151143521), we get a palindrome (24868266286842).

The spelling of 12534115143321 in words is "twelve trillion, five hundred thirty-four billion, one hundred fifteen million, one hundred forty-three thousand, three hundred twenty-one".