12200202109 has 2 divisors, whose sum is σ = 12200202110. Its totient is φ = 12200202108.

The previous prime is 12200202107. The next prime is 12200202229. The reversal of 12200202109 is 90120200221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12000545209 + 199656900 = 109547^2 + 14130^2 .

It is an emirp because it is prime and its reverse (90120200221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12200202109 - 2¹ = 12200202107 is a prime.

Together with 12200202107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200202103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100101054 + 6100101055.

It is an arithmetic number, because the mean of its divisors is an integer number (6100101055).

Almost surely, 2^12200202109 is an apocalyptic number.

It is an amenable number.

12200202109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200202109 is an equidigital number, since it uses as much as digits as its factorization.

12200202109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 12200202109 in words is "twelve billion, two hundred million, two hundred two thousand, one hundred nine".