2201204123 has 4 divisors (see below), whose sum is σ = 2201407080. Its totient is φ = 2201001168.

The previous prime is 2201204119. The next prime is 2201204129. The reversal of 2201204123 is 3214021022.

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 2201204123 - 2² = 2201204119 is a prime.

It is a super-2 number, since 2×2201204123² = 9690599182224398258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201204129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84233 + ... + 107226.

It is an arithmetic number, because the mean of its divisors is an integer number (550351770).

Almost surely, 2^2201204123 is an apocalyptic number.

2201204123 is a deficient number, since it is larger than the sum of its proper divisors (202957).

2201204123 is a wasteful number, since it uses less digits than its factorization.

2201204123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202956.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2201204123 is about 46916.9918366470. The cubic root of 2201204123 is about 1300.8286872215.

Adding to 2201204123 its reverse (3214021022), we get a palindrome (5415225145).

The spelling of 2201204123 in words is "two billion, two hundred one million, two hundred four thousand, one hundred twenty-three".