12103200979 has 2 divisors, whose sum is σ = 12103200980. Its totient is φ = 12103200978.

The previous prime is 12103200961. The next prime is 12103201037. The reversal of 12103200979 is 97900230121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (97900230121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12103200979 - 2⁹ = 12103200467 is a prime.

It is not a weakly prime, because it can be changed into another prime (12103200959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051600489 + 6051600490.

It is an arithmetic number, because the mean of its divisors is an integer number (6051600490).

Almost surely, 2^12103200979 is an apocalyptic number.

12103200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103200979 is an equidigital number, since it uses as much as digits as its factorization.

12103200979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The spelling of 12103200979 in words is "twelve billion, one hundred three million, two hundred thousand, nine hundred seventy-nine".