1220313132003 has 8 divisors (see below), whose sum is σ = 1859524772608. Its totient is φ = 697321789704.

The previous prime is 1220313132001. The next prime is 1220313132061. The reversal of 1220313132003 is 3002313130221.

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

It is not a de Polignac number, because 1220313132003 - 2¹ = 1220313132001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 58110149143 = 1220313132003 / (1 + 2 + 2 + 0 + 3 + 1 + 3 + 1 + 3 + 2 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220313132001) 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, 29055074551 + ... + 29055074592.

It is an arithmetic number, because the mean of its divisors is an integer number (232440596576).

Almost surely, 2^{1220313132003} is an apocalyptic number.

1220313132003 is a deficient number, since it is larger than the sum of its proper divisors (639211640605).

1220313132003 is an equidigital number, since it uses as much as digits as its factorization.

1220313132003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58110149153.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1220313132003 its reverse (3002313130221), we get a palindrome (4222626262224).

The spelling of 1220313132003 in words is "one trillion, two hundred twenty billion, three hundred thirteen million, one hundred thirty-two thousand, three".