12211221231003 has 4 divisors (see below), whose sum is σ = 16281628308008. Its totient is φ = 8140814154000.

The previous prime is 12211221230977. The next prime is 12211221231031. The reversal of 12211221231003 is 30013212211221.

12211221231003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12211221231003 - 2⁹ = 12211221230491 is a prime.

It is a super-2 number, since 2×12211221231003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211221231203) 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, 2035203538498 + ... + 2035203538503.

It is an arithmetic number, because the mean of its divisors is an integer number (4070407077002).

Almost surely, 2^{12211221231003} is an apocalyptic number.

12211221231003 is a deficient number, since it is larger than the sum of its proper divisors (4070407077005).

12211221231003 is an equidigital number, since it uses as much as digits as its factorization.

12211221231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070407077004.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12211221231003 its reverse (30013212211221), we get a palindrome (42224433442224).

The spelling of 12211221231003 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-one million, two hundred thirty-one thousand, three".