12220024323 has 32 divisors (see below), whose sum is σ = 18162737152. Its totient is φ = 7257340800.

The previous prime is 12220024309. The next prime is 12220024331. The reversal of 12220024323 is 32342002221.

It is not a de Polignac number, because 12220024323 - 2⁶ = 12220024259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12220024323.

It is not an unprimeable number, because it can be changed into a prime (12220024723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429933 + ... + 457473.

It is an arithmetic number, because the mean of its divisors is an integer number (567585536).

Almost surely, 2^12220024323 is an apocalyptic number.

12220024323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12220024323 is a deficient number, since it is larger than the sum of its proper divisors (5942712829).

12220024323 is a wasteful number, since it uses less digits than its factorization.

12220024323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27955.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12220024323 its reverse (32342002221), we get a palindrome (44562026544).

The spelling of 12220024323 in words is "twelve billion, two hundred twenty million, twenty-four thousand, three hundred twenty-three".