Search a number
-
+
120312212230 = 2572245535127
BaseRepresentation
bin111000000001100101…
…0101010101100000110
3102111112202122122011101
41300003022222230012
53432344411242410
6131134244130314
711456306634100
oct1600312525406
9374482578141
10120312212230
114702a11a861
121b39839699a
13b464a9c932
145b749b8570
1531e25c7d3a
hex1c032aab06

120312212230 has 24 divisors (see below), whose sum is σ = 251919041328. Its totient is φ = 41249901168.

The previous prime is 120312212221. The next prime is 120312212233. The reversal of 120312212230 is 32212213021.

It is a junction number, because it is equal to n+sod(n) for n = 120312212198 and 120312212207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120312212233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122767074 + ... + 122768053.

It is an arithmetic number, because the mean of its divisors is an integer number (10496626722).

Almost surely, 2120312212230 is an apocalyptic number.

120312212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120312212230 is an abundant number, since it is smaller than the sum of its proper divisors (131606829098).

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

120312212230 is a wasteful number, since it uses less digits than its factorization.

120312212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245535148 (or 245535141 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120312212230 its reverse (32212213021), we get a palindrome (152524425251).

The spelling of 120312212230 in words is "one hundred twenty billion, three hundred twelve million, two hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 245535127 491070254 1227675635 1718745889 2455351270 3437491778 8593729445 12031221223 17187458890 24062442446 60156106115 120312212230