212424124 has 12 divisors (see below), whose sum is σ = 405537048. Its totient is φ = 96556400.

The previous prime is 212424097. The next prime is 212424151. The reversal of 212424124 is 421424212.

It is an interprime number because it is at equal distance from previous prime (212424097) and next prime (212424151).

It is a Harshad number since it is a multiple of its sum of digits (22).

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 = 212424095 and 212424104.

It is a congruent number.

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, 2413867 + ... + 2413954.

It is an arithmetic number, because the mean of its divisors is an integer number (33794754).

Almost surely, 2^212424124 is an apocalyptic number.

It is an amenable number.

212424124 is a deficient number, since it is larger than the sum of its proper divisors (193112924).

212424124 is a wasteful number, since it uses less digits than its factorization.

212424124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827836 (or 4827834 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 212424124 is about 14574.7769794258. The cubic root of 212424124 is about 596.6705626217.

Adding to 212424124 its reverse (421424212), we get a palindrome (633848336).

The spelling of 212424124 in words is "two hundred twelve million, four hundred twenty-four thousand, one hundred twenty-four".