1213313111199 has 16 divisors (see below), whose sum is σ = 2054286749440. Its totient is φ = 693321777720.

The previous prime is 1213313111159. The next prime is 1213313111203. The reversal of 1213313111199 is 9911113133121.

1213313111199 is a `hidden beast` number, since 1 + 2 + 1 + 331 + 311 + 1 + 1 + 9 + 9 = 666.

It is not a de Polignac number, because 1213313111199 - 2¹⁷ = 1213312980127 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 (1213313111159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3209822857 + ... + 3209823234.

It is an arithmetic number, because the mean of its divisors is an integer number (128392921840).

Almost surely, 2^{1213313111199} is an apocalyptic number.

1213313111199 is a deficient number, since it is larger than the sum of its proper divisors (840973638241).

1213313111199 is an equidigital number, since it uses as much as digits as its factorization.

1213313111199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419646107 (or 6419646101 counting only the distinct ones).

The product of its digits is 4374, while the sum is 36.

The spelling of 1213313111199 in words is "one trillion, two hundred thirteen billion, three hundred thirteen million, one hundred eleven thousand, one hundred ninety-nine".