1206899063399 has 4 divisors (see below), whose sum is σ = 1206909506160. Its totient is φ = 1206888620640.

The previous prime is 1206899063387. The next prime is 1206899063413. The reversal of 1206899063399 is 9933609986021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1206899063399 - 2⁸ = 1206899063143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206899063369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5046059 + ... + 5279820.

It is an arithmetic number, because the mean of its divisors is an integer number (301727376540).

Almost surely, 2^{1206899063399} is an apocalyptic number.

1206899063399 is a deficient number, since it is larger than the sum of its proper divisors (10442761).

1206899063399 is a wasteful number, since it uses less digits than its factorization.

1206899063399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10442760.

The product of its (nonzero) digits is 34012224, while the sum is 65.

The spelling of 1206899063399 in words is "one trillion, two hundred six billion, eight hundred ninety-nine million, sixty-three thousand, three hundred ninety-nine".