12100000249 has 2 divisors, whose sum is σ = 12100000250. Its totient is φ = 12100000248.

The previous prime is 12100000201. The next prime is 12100000301. The reversal of 12100000249 is 94200000121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7802542224 + 4297458025 = 88332^2 + 65555^2 .

It is an emirp because it is prime and its reverse (94200000121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12100000249 - 2¹³ = 12099992057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12100000349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050000124 + 6050000125.

It is an arithmetic number, because the mean of its divisors is an integer number (6050000125).

Almost surely, 2^12100000249 is an apocalyptic number.

It is an amenable number.

12100000249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100000249 is an equidigital number, since it uses as much as digits as its factorization.

12100000249 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 12100000249 in words is "twelve billion, one hundred million, two hundred forty-nine", and thus it is an aban number.