1212233112199 has 2 divisors, whose sum is σ = 1212233112200. Its totient is φ = 1212233112198.

The previous prime is 1212233112197. The next prime is 1212233112319. The reversal of 1212233112199 is 9912113322121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212233112199 - 2¹ = 1212233112197 is a prime.

Together with 1212233112197, 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 (1212233112197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606116556099 + 606116556100.

It is an arithmetic number, because the mean of its divisors is an integer number (606116556100).

Almost surely, 2^{1212233112199} is an apocalyptic number.

1212233112199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212233112199 is an equidigital number, since it uses as much as digits as its factorization.

1212233112199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 37.

The spelling of 1212233112199 in words is "one trillion, two hundred twelve billion, two hundred thirty-three million, one hundred twelve thousand, one hundred ninety-nine".