12540242530362 has 16 divisors (see below), whose sum is σ = 25118893162080. Its totient is φ = 4173679493232.

The previous prime is 12540242530303. The next prime is 12540242530367. The reversal of 12540242530362 is 26303524204521.

It is a self number, because there is not a number n which added to its sum of digits gives 12540242530362.

It is not an unprimeable number, because it can be changed into a prime (12540242530367) 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, 1600333312 + ... + 1600341147.

It is an arithmetic number, because the mean of its divisors is an integer number (1569930822630).

Almost surely, 2^{12540242530362} is an apocalyptic number.

12540242530362 is an abundant number, since it is smaller than the sum of its proper divisors (12578650631718).

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

12540242530362 is a wasteful number, since it uses less digits than its factorization.

12540242530362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200675117.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 12540242530362 its reverse (26303524204521), we get a palindrome (38843766734883).

The spelling of 12540242530362 in words is "twelve trillion, five hundred forty billion, two hundred forty-two million, five hundred thirty thousand, three hundred sixty-two".