12220214440423 has 32 divisors (see below), whose sum is σ = 13452338995200. Its totient is φ = 11008753697760.

The previous prime is 12220214440417. The next prime is 12220214440439. The reversal of 12220214440423 is 32404441202221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220214440423 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 (12220214440453) 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, 817562236 + ... + 817577182.

It is an arithmetic number, because the mean of its divisors is an integer number (420385593600).

Almost surely, 2^{12220214440423} is an apocalyptic number.

12220214440423 is a deficient number, since it is larger than the sum of its proper divisors (1232124554777).

12220214440423 is a wasteful number, since it uses less digits than its factorization.

12220214440423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16467.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 12220214440423 its reverse (32404441202221), we get a palindrome (44624655642644).

The spelling of 12220214440423 in words is "twelve trillion, two hundred twenty billion, two hundred fourteen million, four hundred forty thousand, four hundred twenty-three".