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124420221120 = 263513311631973
BaseRepresentation
bin111001111100000000…
…1011110100011000000
3102220011001121002221210
41303320001132203000
54014303034033440
6133054033050120
711663151300306
oct1637001364300
9386131532853
10124420221120
1148847a75728
12201440b6940
13b96abaa320
146044406276
153383085a80
hex1cf805e8c0

124420221120 has 448 divisors, whose sum is σ = 442062802944. Its totient is φ = 29441802240.

The previous prime is 124420221103. The next prime is 124420221161. The reversal of 124420221120 is 21122024421.

124420221120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63060454 + ... + 63062426.

It is an arithmetic number, because the mean of its divisors is an integer number (986747328).

Almost surely, 2124420221120 is an apocalyptic number.

124420221120 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 124420221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221031401472).

124420221120 is an abundant number, since it is smaller than the sum of its proper divisors (317642581824).

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

124420221120 is a wasteful number, since it uses less digits than its factorization.

124420221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200 (or 2190 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 124420221120 its reverse (21122024421), we get a palindrome (145542245541).

The spelling of 124420221120 in words is "one hundred twenty-four billion, four hundred twenty million, two hundred twenty-one thousand, one hundred twenty".