124112020320 has 144 divisors (see below), whose sum is σ = 424014121440. Its totient is φ = 33058885632.

The previous prime is 124112020303. The next prime is 124112020397. The reversal of 124112020320 is 23020211421.

It is a happy number.

124112020320 is a `hidden beast` number, since 12 + 411 + 20 + 203 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 124112020293 and 124112020302.

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, 1228696 + ... + 1325864.

It is an arithmetic number, because the mean of its divisors is an integer number (2944542510).

Almost surely, 2^124112020320 is an apocalyptic number.

124112020320 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 124112020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212007060720).

124112020320 is an abundant number, since it is smaller than the sum of its proper divisors (299902101120).

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

124112020320 is a wasteful number, since it uses less digits than its factorization.

124112020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98077 (or 98066 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 124112020320 its reverse (23020211421), we get a palindrome (147132231741).

The spelling of 124112020320 in words is "one hundred twenty-four billion, one hundred twelve million, twenty thousand, three hundred twenty".