12205545100323 has 8 divisors (see below), whose sum is σ = 16441833949968. Its totient is φ = 8053143158784.

The previous prime is 12205545100313. The next prime is 12205545100337. The reversal of 12205545100323 is 32300154550221.

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

It is not a de Polignac number, because 12205545100323 - 2²⁰ = 12205544051747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12205545100313) 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, 20971726686 + ... + 20971727267.

It is an arithmetic number, because the mean of its divisors is an integer number (2055229243746).

Almost surely, 2^{12205545100323} is an apocalyptic number.

12205545100323 is a deficient number, since it is larger than the sum of its proper divisors (4236288849645).

12205545100323 is an equidigital number, since it uses as much as digits as its factorization.

12205545100323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41943454053.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 12205545100323 its reverse (32300154550221), we get a palindrome (44505699650544).

The spelling of 12205545100323 in words is "twelve trillion, two hundred five billion, five hundred forty-five million, one hundred thousand, three hundred twenty-three".