12315231205602 has 32 divisors (see below), whose sum is σ = 26525545381440. Its totient is φ = 3789240192960.

The previous prime is 12315231205583. The next prime is 12315231205639. The reversal of 12315231205602 is 20650213251321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3654952 + ... + 6163532.

It is an arithmetic number, because the mean of its divisors is an integer number (828923293170).

Almost surely, 2^{12315231205602} is an apocalyptic number.

12315231205602 is an abundant number, since it is smaller than the sum of its proper divisors (14210314175838).

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

12315231205602 is a wasteful number, since it uses less digits than its factorization.

12315231205602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571538.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 12315231205602 its reverse (20650213251321), we get a palindrome (32965444456923).

The spelling of 12315231205602 in words is "twelve trillion, three hundred fifteen billion, two hundred thirty-one million, two hundred five thousand, six hundred two".