12222311023 has 6 divisors (see below), whose sum is σ = 13234810344. Its totient is φ = 11282133096.

The previous prime is 12222310981. The next prime is 12222311033. The reversal of 12222311023 is 32011322221.

12222311023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12222311023 - 2³³ = 3632376431 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 (12222311033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36160515 + ... + 36160852.

It is an arithmetic number, because the mean of its divisors is an integer number (2205801724).

Almost surely, 2^12222311023 is an apocalyptic number.

12222311023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12222311023 is a deficient number, since it is larger than the sum of its proper divisors (1012499321).

12222311023 is an equidigital number, since it uses as much as digits as its factorization.

12222311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72321393 (or 72321380 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12222311023 its reverse (32011322221), we get a palindrome (44233633244).

The spelling of 12222311023 in words is "twelve billion, two hundred twenty-two million, three hundred eleven thousand, twenty-three".