124424331220 has 48 divisors (see below), whose sum is σ = 308915591040. Its totient is φ = 41188742784.

The previous prime is 124424331203. The next prime is 124424331277. The reversal of 124424331220 is 22133424421.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15319134 + ... + 15327253.

It is an arithmetic number, because the mean of its divisors is an integer number (6435741480).

Almost surely, 2^124424331220 is an apocalyptic number.

124424331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124424331220 is an abundant number, since it is smaller than the sum of its proper divisors (184491259820).

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

124424331220 is a wasteful number, since it uses less digits than its factorization.

124424331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30646432 (or 30646430 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 124424331220 its reverse (22133424421), we get a palindrome (146557755641).

The spelling of 124424331220 in words is "one hundred twenty-four billion, four hundred twenty-four million, three hundred thirty-one thousand, two hundred twenty".