1220510213003 has 4 divisors (see below), whose sum is σ = 1222161783720. Its totient is φ = 1218858642288.

The previous prime is 1220510212969. The next prime is 1220510213063. The reversal of 1220510213003 is 3003120150221.

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 1220510213003 - 2³⁰ = 1219436471179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220510213063) 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, 825784250 + ... + 825785727.

It is an arithmetic number, because the mean of its divisors is an integer number (305540445930).

Almost surely, 2^{1220510213003} is an apocalyptic number.

1220510213003 is a deficient number, since it is larger than the sum of its proper divisors (1651570717).

1220510213003 is an equidigital number, since it uses as much as digits as its factorization.

1220510213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651570716.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 1220510213003 its reverse (3003120150221), we get a palindrome (4223630363224).

The spelling of 1220510213003 in words is "one trillion, two hundred twenty billion, five hundred ten million, two hundred thirteen thousand, three".