12221434023 has 8 divisors (see below), whose sum is σ = 16295809536. Its totient is φ = 8147340600.

The previous prime is 12221434009. The next prime is 12221434033. The reversal of 12221434023 is 32043412221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12221434023 - 2⁴ = 12221434007 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12221433984 and 12221434002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221434033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71338 + ... + 171848.

It is an arithmetic number, because the mean of its divisors is an integer number (2036976192).

Almost surely, 2^12221434023 is an apocalyptic number.

12221434023 is a deficient number, since it is larger than the sum of its proper divisors (4074375513).

12221434023 is a wasteful number, since it uses less digits than its factorization.

12221434023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141045.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12221434023 its reverse (32043412221), we get a palindrome (44264846244).

The spelling of 12221434023 in words is "twelve billion, two hundred twenty-one million, four hundred thirty-four thousand, twenty-three".