12252343217452 has 48 divisors (see below), whose sum is σ = 23499861037632. Its totient is φ = 5555027162880.

The previous prime is 12252343217447. The next prime is 12252343217453. The reversal of 12252343217452 is 25471234325221.

It is a junction number, because it is equal to n+sod(n) for n = 12252343217399 and 12252343217408.

It is not an unprimeable number, because it can be changed into a prime (12252343217453) 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 in 15 ways as a sum of consecutive naturals, for example, 46528 + ... + 4950439.

It is an arithmetic number, because the mean of its divisors is an integer number (489580438284).

Almost surely, 2^{12252343217452} is an apocalyptic number.

It is an amenable number.

12252343217452 is a deficient number, since it is larger than the sum of its proper divisors (11247517820180).

12252343217452 is a wasteful number, since it uses less digits than its factorization.

12252343217452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997818 (or 4997816 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The spelling of 12252343217452 in words is "twelve trillion, two hundred fifty-two billion, three hundred forty-three million, two hundred seventeen thousand, four hundred fifty-two".