12100202113 has 4 divisors (see below), whose sum is σ = 12100931668. Its totient is φ = 12099472560.

The previous prime is 12100202087. The next prime is 12100202119. The reversal of 12100202113 is 31120200121.

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 7353405504 + 4746796609 = 85752^2 + 68897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12100202113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100202093 and 12100202102.

It is not an unprimeable number, because it can be changed into a prime (12100202119) 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, 339306 + ... + 373267.

It is an arithmetic number, because the mean of its divisors is an integer number (3025232917).

Almost surely, 2^12100202113 is an apocalyptic number.

It is an amenable number.

12100202113 is a deficient number, since it is larger than the sum of its proper divisors (729555).

12100202113 is an equidigital number, since it uses as much as digits as its factorization.

12100202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729554.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12100202113 its reverse (31120200121), we get a palindrome (43220402234).

The spelling of 12100202113 in words is "twelve billion, one hundred million, two hundred two thousand, one hundred thirteen".