124404412220 has 96 divisors (see below), whose sum is σ = 292498407936. Its totient is φ = 44062995200.

The previous prime is 124404412213. The next prime is 124404412241. The reversal of 124404412220 is 22214404421.

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 124404412220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1248482 + ... + 1344438.

It is an arithmetic number, because the mean of its divisors is an integer number (3046858416).

Almost surely, 2^124404412220 is an apocalyptic number.

124404412220 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 124404412220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146249203968).

124404412220 is an abundant number, since it is smaller than the sum of its proper divisors (168093995716).

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

124404412220 is a wasteful number, since it uses less digits than its factorization.

124404412220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96131 (or 96129 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 124404412220 its reverse (22214404421), we get a palindrome (146618816641).

The spelling of 124404412220 in words is "one hundred twenty-four billion, four hundred four million, four hundred twelve thousand, two hundred twenty".