12145544700426 has 96 divisors (see below), whose sum is σ = 26655171379200. Its totient is φ = 3996484358400.

The previous prime is 12145544700397. The next prime is 12145544700479. The reversal of 12145544700426 is 62400744554121.

12145544700426 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 554 + 4 + 70 + 0 + 4 + 26 = 666.

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 47 ways as a sum of consecutive naturals, for example, 1997948055 + ... + 1997954133.

It is an arithmetic number, because the mean of its divisors is an integer number (277658035200).

Almost surely, 2^{12145544700426} is an apocalyptic number.

12145544700426 is an abundant number, since it is smaller than the sum of its proper divisors (14509626678774).

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

12145544700426 is a wasteful number, since it uses less digits than its factorization.

12145544700426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284 (or 9281 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 12145544700426 in words is "twelve trillion, one hundred forty-five billion, five hundred forty-four million, seven hundred thousand, four hundred twenty-six".