12724722042203 has 4 divisors (see below), whose sum is σ = 12848263033008. Its totient is φ = 12601181051400.

The previous prime is 12724722042199. The next prime is 12724722042217. The reversal of 12724722042203 is 30224022742721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12724722042203 - 2² = 12724722042199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12724722042283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61770495248 + ... + 61770495453.

It is an arithmetic number, because the mean of its divisors is an integer number (3212065758252).

Almost surely, 2^{12724722042203} is an apocalyptic number.

12724722042203 is a deficient number, since it is larger than the sum of its proper divisors (123540990805).

12724722042203 is a wasteful number, since it uses less digits than its factorization.

12724722042203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123540990804.

The product of its (nonzero) digits is 150528, while the sum is 38.

Adding to 12724722042203 its reverse (30224022742721), we get a palindrome (42948744784924).

The spelling of 12724722042203 in words is "twelve trillion, seven hundred twenty-four billion, seven hundred twenty-two million, forty-two thousand, two hundred three".