1213333130999 has 4 divisors (see below), whose sum is σ = 1323636142920. Its totient is φ = 1103030119080.

The previous prime is 1213333130909. The next prime is 1213333131001. The reversal of 1213333130999 is 9990313333121.

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 1213333130999 - 2²⁴ = 1213316353783 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 (1213333130909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55151505944 + ... + 55151505965.

It is an arithmetic number, because the mean of its divisors is an integer number (330909035730).

Almost surely, 2^{1213333130999} is an apocalyptic number.

1213333130999 is a deficient number, since it is larger than the sum of its proper divisors (110303011921).

1213333130999 is a wasteful number, since it uses less digits than its factorization.

1213333130999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110303011920.

The product of its (nonzero) digits is 354294, while the sum is 47.

The spelling of 1213333130999 in words is "one trillion, two hundred thirteen billion, three hundred thirty-three million, one hundred thirty thousand, nine hundred ninety-nine".