1220032013003 has 4 divisors (see below), whose sum is σ = 1221728859360. Its totient is φ = 1218335166648.

The previous prime is 1220032012999. The next prime is 1220032013021. The reversal of 1220032013003 is 3003102300221.

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 1220032013003 - 2² = 1220032012999 is a prime.

It is a super-2 number, since 2×1220032013003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220032013033) 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, 848422100 + ... + 848423537.

It is an arithmetic number, because the mean of its divisors is an integer number (305432214840).

Almost surely, 2^{1220032013003} is an apocalyptic number.

1220032013003 is a deficient number, since it is larger than the sum of its proper divisors (1696846357).

1220032013003 is an equidigital number, since it uses as much as digits as its factorization.

1220032013003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696846356.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1220032013003 its reverse (3003102300221), we get a palindrome (4223134313224).

The spelling of 1220032013003 in words is "one trillion, two hundred twenty billion, thirty-two million, thirteen thousand, three".