Search a number
-
+
120112010101220 = 2256005600505061
BaseRepresentation
bin11011010011110111000001…
…101100100000000111100100
3120202021121002111112201210212
4123103313001230200013210
5111220403344041214340
61103242410134034552
734204543403300054
oct3323670154400744
9522247074481725
10120112010101220
11352a92434300a5
121157a6191a8a58
13520368b1c9887
1421936491bb564
15dd45c7e58a65
hex6d3dc1b201e4

120112010101220 has 12 divisors (see below), whose sum is σ = 252235221212604. Its totient is φ = 48044804040480.

The previous prime is 120112010101207. The next prime is 120112010101231. The reversal of 120112010101220 is 22101010211021.

It can be written as a sum of positive squares in 2 ways, for example, as 32824397230564 + 87287612870656 = 5729258^2 + 9342784^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120112010101195 and 120112010101204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002800252511 + ... + 3002800252550.

It is an arithmetic number, because the mean of its divisors is an integer number (21019601767717).

Almost surely, 2120112010101220 is an apocalyptic number.

120112010101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112010101220 is an abundant number, since it is smaller than the sum of its proper divisors (132123211111384).

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

120112010101220 is a wasteful number, since it uses less digits than its factorization.

120112010101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005600505070 (or 6005600505068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120112010101220 its reverse (22101010211021), we get a palindrome (142213020312241).

The spelling of 120112010101220 in words is "one hundred twenty trillion, one hundred twelve billion, ten million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6005600505061 12011201010122 24022402020244 30028002525305 60056005050610 120112010101220