1213402199 has 2 divisors, whose sum is σ = 1213402200. Its totient is φ = 1213402198.

The previous prime is 1213402189. The next prime is 1213402247. The reversal of 1213402199 is 9912043121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213402199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213402189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606701099 + 606701100.

It is an arithmetic number, because the mean of its divisors is an integer number (606701100).

Almost surely, 2^1213402199 is an apocalyptic number.

1213402199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213402199 is an equidigital number, since it uses as much as digits as its factorization.

1213402199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1213402199 is about 34833.9231066499. The cubic root of 1213402199 is about 1066.6000324369.

The spelling of 1213402199 in words is "one billion, two hundred thirteen million, four hundred two thousand, one hundred ninety-nine".