12775250144 has 12 divisors (see below), whose sum is σ = 25151273784. Its totient is φ = 6387625056.

The previous prime is 12775250141. The next prime is 12775250149. The reversal of 12775250144 is 44105257721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12775250098 and 12775250107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12775250141) by changing a digit.

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 as a sum of consecutive naturals, namely, 199613252 + ... + 199613315.

It is an arithmetic number, because the mean of its divisors is an integer number (2095939482).

Almost surely, 2^12775250144 is an apocalyptic number.

It is an amenable number.

12775250144 is a deficient number, since it is larger than the sum of its proper divisors (12376023640).

12775250144 is an equidigital number, since it uses as much as digits as its factorization.

12775250144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399226577 (or 399226569 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 12775250144 in words is "twelve billion, seven hundred seventy-five million, two hundred fifty thousand, one hundred forty-four".