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120123220000 = 255472929587
BaseRepresentation
bin110111111011111100…
…1101110000000100000
3102111001121000211120011
41233313321232000200
53432003021020000
6131103413254304
711451523344250
oct1576771560040
9374047024504
10120123220000
1146a42476133
121b345034394
13b43489ab04
145b5785d960
1531d0be52ba
hex1bf7e6e020

120123220000 has 240 divisors, whose sum is σ = 349396407360. Its totient is φ = 39763584000.

The previous prime is 120123219959. The next prime is 120123220001. The reversal of 120123220000 is 22321021.

It is not an unprimeable number, because it can be changed into a prime (120123220001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4045207 + ... + 4074793.

It is an arithmetic number, because the mean of its divisors is an integer number (1455818364).

Almost surely, 2120123220000 is an apocalyptic number.

120123220000 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 120123220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174698203680).

120123220000 is an abundant number, since it is smaller than the sum of its proper divisors (229273187360).

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

120123220000 is an equidigital number, since it uses as much as digits as its factorization.

120123220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29653 (or 29630 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 120123220000 its reverse (22321021), we get a palindrome (120145541021).

The spelling of 120123220000 in words is "one hundred twenty billion, one hundred twenty-three million, two hundred twenty thousand".