1213405320333 has 16 divisors (see below), whose sum is σ = 1714020137856. Its totient is φ = 760917987840.

The previous prime is 1213405320331. The next prime is 1213405320353. The reversal of 1213405320333 is 3330235043121.

It is not a de Polignac number, because 1213405320333 - 2¹ = 1213405320331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213405320333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213405320331) 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 15 ways as a sum of consecutive naturals, for example, 6696753 + ... + 6875558.

It is an arithmetic number, because the mean of its divisors is an integer number (107126258616).

Almost surely, 2^{1213405320333} is an apocalyptic number.

It is an amenable number.

1213405320333 is a deficient number, since it is larger than the sum of its proper divisors (500614817523).

1213405320333 is a wasteful number, since it uses less digits than its factorization.

1213405320333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574084.

The product of its (nonzero) digits is 19440, while the sum is 30.

The spelling of 1213405320333 in words is "one trillion, two hundred thirteen billion, four hundred five million, three hundred twenty thousand, three hundred thirty-three".