12200031101 has 4 divisors (see below), whose sum is σ = 12307996092. Its totient is φ = 12092066112.

The previous prime is 12200031097. The next prime is 12200031133. The reversal of 12200031101 is 10113000221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3705643876 + 8494387225 = 60874^2 + 92165^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200031101 - 2² = 12200031097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200031191) 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, 53982326 + ... + 53982551.

It is an arithmetic number, because the mean of its divisors is an integer number (3076999023).

Almost surely, 2^12200031101 is an apocalyptic number.

It is an amenable number.

12200031101 is a deficient number, since it is larger than the sum of its proper divisors (107964991).

12200031101 is a wasteful number, since it uses less digits than its factorization.

12200031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107964990.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12200031101 its reverse (10113000221), we get a palindrome (22313031322).

The spelling of 12200031101 in words is "twelve billion, two hundred million, thirty-one thousand, one hundred one".