12135145624326 has 56 divisors (see below), whose sum is σ = 27293355376560. Its totient is φ = 4044787320816.

The previous prime is 12135145624279. The next prime is 12135145624417. The reversal of 12135145624326 is 62342654153121.

12135145624326 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 5 + 14 + 5 + 624 + 3 + 2 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 23007456 + ... + 23528988.

It is an arithmetic number, because the mean of its divisors is an integer number (487381346010).

Almost surely, 2^{12135145624326} is an apocalyptic number.

12135145624326 is an abundant number, since it is smaller than the sum of its proper divisors (15158209752234).

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

12135145624326 is an equidigital number, since it uses as much as digits as its factorization.

12135145624326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537512 (or 537497 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

Adding to 12135145624326 its reverse (62342654153121), we get a palindrome (74477799777447).

The spelling of 12135145624326 in words is "twelve trillion, one hundred thirty-five billion, one hundred forty-five million, six hundred twenty-four thousand, three hundred twenty-six".