12252243163604 has 12 divisors (see below), whose sum is σ = 21490943843124. Its totient is φ = 6111973494144.

The previous prime is 12252243163603. The next prime is 12252243163607. The reversal of 12252243163604 is 40636134225221.

It can be written as a sum of positive squares in 2 ways, for example, as 1522884338704 + 10729358824900 = 1234052^2 + 3275570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252243163603) 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, 3537019967 + ... + 3537023430.

It is an arithmetic number, because the mean of its divisors is an integer number (1790911986927).

Almost surely, 2^{12252243163604} is an apocalyptic number.

It is an amenable number.

12252243163604 is a deficient number, since it is larger than the sum of its proper divisors (9238700679520).

12252243163604 is a wasteful number, since it uses less digits than its factorization.

12252243163604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074043834 (or 7074043832 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 12252243163604 its reverse (40636134225221), we get a palindrome (52888377388825).

The spelling of 12252243163604 in words is "twelve trillion, two hundred fifty-two billion, two hundred forty-three million, one hundred sixty-three thousand, six hundred four".