12423202224 has 20 divisors (see below), whose sum is σ = 32093272536. Its totient is φ = 4141067392.

The previous prime is 12423202219. The next prime is 12423202241. The reversal of 12423202224 is 42220232421.

It is a super-3 number, since 3×12423202224³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12423202194 and 12423202203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129408309 + ... + 129408404.

Almost surely, 2^12423202224 is an apocalyptic number.

It is an amenable number.

12423202224 is an abundant number, since it is smaller than the sum of its proper divisors (19670070312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423202224 is a wasteful number, since it uses less digits than its factorization.

12423202224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258816724 (or 258816718 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12423202224 its reverse (42220232421), we get a palindrome (54643434645).

The spelling of 12423202224 in words is "twelve billion, four hundred twenty-three million, two hundred two thousand, two hundred twenty-four".