1213206450033 has 12 divisors (see below), whose sum is σ = 1645490405648. Its totient is φ = 795095745720.

The previous prime is 1213206449999. The next prime is 1213206450037. The reversal of 1213206450033 is 3300546023121.

It is not a de Polignac number, because 1213206450033 - 2¹² = 1213206445937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213206450037) 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 11 ways as a sum of consecutive naturals, for example, 58076623 + ... + 58097508.

Almost surely, 2^{1213206450033} is an apocalyptic number.

It is an amenable number.

1213206450033 is a deficient number, since it is larger than the sum of its proper divisors (432283955615).

1213206450033 is an equidigital number, since it uses as much as digits as its factorization.

1213206450033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116174252 (or 116174193 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 1213206450033 in words is "one trillion, two hundred thirteen billion, two hundred six million, four hundred fifty thousand, thirty-three".