124205224220 has 192 divisors, whose sum is σ = 359293003776. Its totient is φ = 34851717120.

The previous prime is 124205224217. The next prime is 124205224259. The reversal of 124205224220 is 22422502421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 124205224220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 499004 + ... + 705276.

It is an arithmetic number, because the mean of its divisors is an integer number (1871317728).

Almost surely, 2^124205224220 is an apocalyptic number.

124205224220 is a gapful number since it is divisible by the number (10) 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 124205224220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179646501888).

124205224220 is an abundant number, since it is smaller than the sum of its proper divisors (235087779556).

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

124205224220 is a wasteful number, since it uses less digits than its factorization.

124205224220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206340 (or 206338 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 124205224220 its reverse (22422502421), we get a palindrome (146627726641).

The spelling of 124205224220 in words is "one hundred twenty-four billion, two hundred five million, two hundred twenty-four thousand, two hundred twenty".