12540506360146 has 16 divisors (see below), whose sum is σ = 19805854844160. Its totient is φ = 5938723256400.

The previous prime is 12540506360143. The next prime is 12540506360231. The reversal of 12540506360146 is 64106360504521.

12540506360146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12540506360143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41976930 + ... + 42274621.

It is an arithmetic number, because the mean of its divisors is an integer number (1237865927760).

Almost surely, 2^{12540506360146} is an apocalyptic number.

12540506360146 is a deficient number, since it is larger than the sum of its proper divisors (7265348484014).

12540506360146 is a wasteful number, since it uses less digits than its factorization.

12540506360146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84255489.

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 12540506360146 its reverse (64106360504521), we get a palindrome (76646866864667).

The spelling of 12540506360146 in words is "twelve trillion, five hundred forty billion, five hundred six million, three hundred sixty thousand, one hundred forty-six".