12212124 has 24 divisors (see below), whose sum is σ = 28764288. Its totient is φ = 4032240.

The previous prime is 12212119. The next prime is 12212131. The reversal of 12212124 is 42121221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3472 + ... + 6039.

It is an arithmetic number, because the mean of its divisors is an integer number (1198512).

Almost surely, 2^12212124 is an apocalyptic number.

It is an amenable number.

12212124 is an abundant number, since it is smaller than the sum of its proper divisors (16552164).

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

12212124 is a wasteful number, since it uses less digits than its factorization.

12212124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9625 (or 9623 counting only the distinct ones).

The product of its digits is 64, while the sum is 15.

The square root of 12212124 is about 3494.5849538965. The cubic root of 12212124 is about 230.2839844395.

Adding to 12212124 its reverse (42121221), we get a palindrome (54333345).

It can be divided in two parts, 122 and 12124, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 12212124 in words is "twelve million, two hundred twelve thousand, one hundred twenty-four".