12100209941 has 2 divisors, whose sum is σ = 12100209942. Its totient is φ = 12100209940.

The previous prime is 12100209931. The next prime is 12100210027. The reversal of 12100209941 is 14990200121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11778760900 + 321449041 = 108530^2 + 17929^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100209941 - 2¹⁴ = 12100193557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100209931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050104970 + 6050104971.

It is an arithmetic number, because the mean of its divisors is an integer number (6050104971).

Almost surely, 2^12100209941 is an apocalyptic number.

It is an amenable number.

12100209941 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100209941 is an equidigital number, since it uses as much as digits as its factorization.

12100209941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 12100209941 in words is "twelve billion, one hundred million, two hundred nine thousand, nine hundred forty-one".