12242222124 has 48 divisors (see below), whose sum is σ = 31169214720. Its totient is φ = 3708907840.

The previous prime is 12242222093. The next prime is 12242222143. The reversal of 12242222124 is 42122224221.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12242222094 and 12242222103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788137 + ... + 803519.

It is an arithmetic number, because the mean of its divisors is an integer number (649358640).

Almost surely, 2^12242222124 is an apocalyptic number.

It is an amenable number.

12242222124 is an abundant number, since it is smaller than the sum of its proper divisors (18926992596).

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

12242222124 is a wasteful number, since it uses less digits than its factorization.

12242222124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21430 (or 21428 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

Adding to 12242222124 its reverse (42122224221), we get a palindrome (54364446345).

The spelling of 12242222124 in words is "twelve billion, two hundred forty-two million, two hundred twenty-two thousand, one hundred twenty-four".