1213064645335 has 16 divisors (see below), whose sum is σ = 1502609191776. Its totient is φ = 939430251648.

The previous prime is 1213064645333. The next prime is 1213064645363. The reversal of 1213064645335 is 5335464603121.

It is a cyclic number.

It is not a de Polignac number, because 1213064645335 - 2¹ = 1213064645333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213064645291 and 1213064645300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213064645333) 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, 16605957 + ... + 16678846.

It is an arithmetic number, because the mean of its divisors is an integer number (93913074486).

Almost surely, 2^{1213064645335} is an apocalyptic number.

1213064645335 is a deficient number, since it is larger than the sum of its proper divisors (289544546441).

1213064645335 is a wasteful number, since it uses less digits than its factorization.

1213064645335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33285042.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 1213064645335 in words is "one trillion, two hundred thirteen billion, sixty-four million, six hundred forty-five thousand, three hundred thirty-five".