1220450012533 has 8 divisors (see below), whose sum is σ = 1289117494016. Its totient is φ = 1153613664000.

The previous prime is 1220450012527. The next prime is 1220450012581. The reversal of 1220450012533 is 3352100540221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220450012533 - 2¹⁷ = 1220449881461 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 (1220450012503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457781868 + ... + 457784533.

It is an arithmetic number, because the mean of its divisors is an integer number (161139686752).

Almost surely, 2^{1220450012533} is an apocalyptic number.

It is an amenable number.

1220450012533 is a deficient number, since it is larger than the sum of its proper divisors (68667481483).

1220450012533 is an equidigital number, since it uses as much as digits as its factorization.

1220450012533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915566475.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1220450012533 its reverse (3352100540221), we get a palindrome (4572550552754).

The spelling of 1220450012533 in words is "one trillion, two hundred twenty billion, four hundred fifty million, twelve thousand, five hundred thirty-three".