12206245235643 has 12 divisors (see below), whose sum is σ = 17719842332400. Its totient is φ = 8096604878736.

The previous prime is 12206245235621. The next prime is 12206245235647. The reversal of 12206245235643 is 34653254260221.

12206245235643 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 62 + 4 + 5 + 23 + 564 + 3 = 666.

It is not a de Polignac number, because 12206245235643 - 2¹⁰ = 12206245234619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12206245235647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3407660196 + ... + 3407663777.

It is an arithmetic number, because the mean of its divisors is an integer number (1476653527700).

Almost surely, 2^{12206245235643} is an apocalyptic number.

12206245235643 is a deficient number, since it is larger than the sum of its proper divisors (5513597096757).

12206245235643 is a wasteful number, since it uses less digits than its factorization.

12206245235643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815324178 (or 6815324175 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

Adding to 12206245235643 its reverse (34653254260221), we get a palindrome (46859499495864).

The spelling of 12206245235643 in words is "twelve trillion, two hundred six billion, two hundred forty-five million, two hundred thirty-five thousand, six hundred forty-three".