12205465243 has 8 divisors (see below), whose sum is σ = 12589151328. Its totient is φ = 11824611264.

The previous prime is 12205465201. The next prime is 12205465253. The reversal of 12205465243 is 34256450221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12205465243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12205465199 and 12205465208.

It is not an unprimeable number, because it can be changed into a prime (12205465253) 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, 699271 + ... + 716512.

It is an arithmetic number, because the mean of its divisors is an integer number (1573643916).

Almost surely, 2^12205465243 is an apocalyptic number.

12205465243 is a deficient number, since it is larger than the sum of its proper divisors (383686085).

12205465243 is a wasteful number, since it uses less digits than its factorization.

12205465243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416053.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 12205465243 in words is "twelve billion, two hundred five million, four hundred sixty-five thousand, two hundred forty-three".