124242012 has 84 divisors (see below), whose sum is σ = 329421456. Its totient is φ = 40979520.

The previous prime is 124241993. The next prime is 124242049. The reversal of 124242012 is 210242421.

124242012 is a `hidden beast` number, since 1 + 242 + 420 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 399337 + ... + 399647.

It is an arithmetic number, because the mean of its divisors is an integer number (3921684).

Almost surely, 2^124242012 is an apocalyptic number.

124242012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124242012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164710728).

124242012 is an abundant number, since it is smaller than the sum of its proper divisors (205179444).

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

124242012 is a wasteful number, since it uses less digits than its factorization.

124242012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 124242012 is about 11146.3900882752. The cubic root of 124242012 is about 498.9872995939.

Adding to 124242012 its reverse (210242421), we get a palindrome (334484433).

The spelling of 124242012 in words is "one hundred twenty-four million, two hundred forty-two thousand, twelve".