12213134124 has 48 divisors (see below), whose sum is σ = 29490048000. Its totient is φ = 3929321536.

The previous prime is 12213134117. The next prime is 12213134137. The reversal of 12213134124 is 42143131221.

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 = 12213134094 and 12213134103.

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, 1766827 + ... + 1773725.

It is an arithmetic number, because the mean of its divisors is an integer number (614376000).

Almost surely, 2^12213134124 is an apocalyptic number.

It is an amenable number.

12213134124 is an abundant number, since it is smaller than the sum of its proper divisors (17276913876).

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

12213134124 is a wasteful number, since it uses less digits than its factorization.

12213134124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12022 (or 12020 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 12213134124 its reverse (42143131221), we get a palindrome (54356265345).

The spelling of 12213134124 in words is "twelve billion, two hundred thirteen million, one hundred thirty-four thousand, one hundred twenty-four".