12212311003 has 4 divisors (see below), whose sum is σ = 12273679600. Its totient is φ = 12150942408.

The previous prime is 12212310997. The next prime is 12212311049. The reversal of 12212311003 is 30011321221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30011321221 = 7 ⋅4287331603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212311003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212317003) 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, 30684000 + ... + 30684397.

It is an arithmetic number, because the mean of its divisors is an integer number (3068419900).

Almost surely, 2^12212311003 is an apocalyptic number.

12212311003 is a deficient number, since it is larger than the sum of its proper divisors (61368597).

12212311003 is an equidigital number, since it uses as much as digits as its factorization.

12212311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61368596.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12212311003 its reverse (30011321221), we get a palindrome (42223632224).

The spelling of 12212311003 in words is "twelve billion, two hundred twelve million, three hundred eleven thousand, three".