124140412220 has 72 divisors (see below), whose sum is σ = 286899194400. Its totient is φ = 45086785920.

The previous prime is 124140412219. The next prime is 124140412243. The reversal of 124140412220 is 22214041421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1975241 + ... + 2037119.

Almost surely, 2^124140412220 is an apocalyptic number.

124140412220 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 124140412220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143449597200).

124140412220 is an abundant number, since it is smaller than the sum of its proper divisors (162758782180).

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

124140412220 is a wasteful number, since it uses less digits than its factorization.

124140412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62739 (or 62726 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 124140412220 its reverse (22214041421), we get a palindrome (146354453641).

The spelling of 124140412220 in words is "one hundred twenty-four billion, one hundred forty million, four hundred twelve thousand, two hundred twenty".