12412120999 has 2 divisors, whose sum is σ = 12412121000. Its totient is φ = 12412120998.

The previous prime is 12412120993. The next prime is 12412121021. The reversal of 12412120999 is 99902121421.

It is a weak prime.

It is an emirp because it is prime and its reverse (99902121421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12412120999 - 2¹¹ = 12412118951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12412120993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206060499 + 6206060500.

It is an arithmetic number, because the mean of its divisors is an integer number (6206060500).

Almost surely, 2^12412120999 is an apocalyptic number.

12412120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12412120999 is an equidigital number, since it uses as much as digits as its factorization.

12412120999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 12412120999 in words is "twelve billion, four hundred twelve million, one hundred twenty thousand, nine hundred ninety-nine".