13212221302003 has 4 divisors (see below), whose sum is σ = 13235441375160. Its totient is φ = 13189001228848.

The previous prime is 13212221301883. The next prime is 13212221302031. The reversal of 13212221302003 is 30020312221231.

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 13212221302003 - 2¹³ = 13212221293811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212221302303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11610035725 + ... + 11610036862.

It is an arithmetic number, because the mean of its divisors is an integer number (3308860343790).

Almost surely, 2^{13212221302003} is an apocalyptic number.

13212221302003 is a deficient number, since it is larger than the sum of its proper divisors (23220073157).

13212221302003 is an equidigital number, since it uses as much as digits as its factorization.

13212221302003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23220073156.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13212221302003 its reverse (30020312221231), we get a palindrome (43232533523234).

The spelling of 13212221302003 in words is "thirteen trillion, two hundred twelve billion, two hundred twenty-one million, three hundred two thousand, three".