12145500310442 has 8 divisors (see below), whose sum is σ = 18221365246500. Its totient is φ = 6071711894944.

The previous prime is 12145500310441. The next prime is 12145500310459. The reversal of 12145500310442 is 24401300554121.

It can be written as a sum of positive squares in 2 ways, for example, as 9900090966481 + 2245409343961 = 3146441^2 + 1498469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12145500310399 and 12145500310408.

It is not an unprimeable number, because it can be changed into a prime (12145500310441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519115517 + ... + 519138912.

Almost surely, 2^{12145500310442} is an apocalyptic number.

12145500310442 is a deficient number, since it is larger than the sum of its proper divisors (6075864936058).

12145500310442 is a wasteful number, since it uses less digits than its factorization.

12145500310442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038260280.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 12145500310442 its reverse (24401300554121), we get a palindrome (36546800864563).

The spelling of 12145500310442 in words is "twelve trillion, one hundred forty-five billion, five hundred million, three hundred ten thousand, four hundred forty-two".