Search a number
-
+
120012200000 = 26557117793
BaseRepresentation
bin110111111000101001…
…0001101100001000000
3102110202212010102202022
41233301102031201000
53431241110400000
6131044405541012
711446004603630
oct1576122154100
9373685112668
10120012200000
1146995838170
121b313a14768
13b4178993c4
145b46c006c0
1531c60b5585
hex1bf148d840

120012200000 has 336 divisors, whose sum is σ = 371165493888. Its totient is φ = 37401600000.

The previous prime is 120012199999. The next prime is 120012200027. The reversal of 120012200000 is 2210021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15396104 + ... + 15403896.

It is an arithmetic number, because the mean of its divisors is an integer number (1104659208).

Almost surely, 2120012200000 is an apocalyptic number.

120012200000 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 120012200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185582746944).

120012200000 is an abundant number, since it is smaller than the sum of its proper divisors (251153293888).

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

120012200000 is an frugal number, since it uses more digits than its factorization.

120012200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7848 (or 7818 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 120012200000 its reverse (2210021), we get a palindrome (120014410021).

The spelling of 120012200000 in words is "one hundred twenty billion, twelve million, two hundred thousand".