12135103122352 has 20 divisors (see below), whose sum is σ = 26870585485456. Its totient is φ = 5200758480960.

The previous prime is 12135103122341. The next prime is 12135103122367. The reversal of 12135103122352 is 25322130153121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54174567399 + ... + 54174567622.

Almost surely, 2^{12135103122352} is an apocalyptic number.

It is an amenable number.

12135103122352 is an abundant number, since it is smaller than the sum of its proper divisors (14735482363104).

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

12135103122352 is a wasteful number, since it uses less digits than its factorization.

12135103122352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108349135036 (or 108349135030 counting only the distinct ones).

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

Adding to 12135103122352 its reverse (25322130153121), we get a palindrome (37457233275473).

The spelling of 12135103122352 in words is "twelve trillion, one hundred thirty-five billion, one hundred three million, one hundred twenty-two thousand, three hundred fifty-two".