124011342020 has 96 divisors (see below), whose sum is σ = 270558683136. Its totient is φ = 47721139200.

The previous prime is 124011341999. The next prime is 124011342043. The reversal of 124011342020 is 20243110421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 124011341983 and 124011342001.

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, 10995104 + ... + 11006376.

It is an arithmetic number, because the mean of its divisors is an integer number (2818319616).

Almost surely, 2^124011342020 is an apocalyptic number.

124011342020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124011342020 is an abundant number, since it is smaller than the sum of its proper divisors (146547341116).

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

124011342020 is a wasteful number, since it uses less digits than its factorization.

124011342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11541 (or 11539 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 124011342020 its reverse (20243110421), we get a palindrome (144254452441).

The spelling of 124011342020 in words is "one hundred twenty-four billion, eleven million, three hundred forty-two thousand, twenty".