12200002109 has 4 divisors (see below), whose sum is σ = 12205215900. Its totient is φ = 12194788320.

The previous prime is 12200002103. The next prime is 12200002117. The reversal of 12200002109 is 90120000221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90120000221 = 5743 ⋅15692147.

It can be written as a sum of positive squares in 2 ways, for example, as 7921534009 + 4278468100 = 89003^2 + 65410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200002109 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 (12200002103) 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, 2603384 + ... + 2608065.

It is an arithmetic number, because the mean of its divisors is an integer number (3051303975).

Almost surely, 2^12200002109 is an apocalyptic number.

It is an amenable number.

12200002109 is a deficient number, since it is larger than the sum of its proper divisors (5213791).

12200002109 is an equidigital number, since it uses as much as digits as its factorization.

12200002109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213790.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 12200002109 in words is "twelve billion, two hundred million, two thousand, one hundred nine".