12212303311 has 16 divisors (see below), whose sum is σ = 13986743904. Its totient is φ = 10563001344.

The previous prime is 12212303281. The next prime is 12212303321. The reversal of 12212303311 is 11330321221.

It is a cyclic number.

It is not a de Polignac number, because 12212303311 - 2⁷ = 12212303183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212303321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71550 + ... + 171883.

It is an arithmetic number, because the mean of its divisors is an integer number (874171494).

Almost surely, 2^12212303311 is an apocalyptic number.

12212303311 is a deficient number, since it is larger than the sum of its proper divisors (1774440593).

12212303311 is a wasteful number, since it uses less digits than its factorization.

12212303311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243690.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12212303311 its reverse (11330321221), we get a palindrome (23542624532).

The spelling of 12212303311 in words is "twelve billion, two hundred twelve million, three hundred three thousand, three hundred eleven".