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120311211218 = 21161895091979
BaseRepresentation
bin111000000001100011…
…0110110010011010010
3102111112200202210000212
41300003012312103102
53432344132224333
6131134210444122
711456265264512
oct1600306662322
9374480683025
10120311211218
11470295a6780
121b397b93642
13b46480c113
145b747d7842
1531e247b448
hex1c031b64d2

120311211218 has 64 divisors (see below), whose sum is σ = 202848624000. Its totient is φ = 53054707200.

The previous prime is 120311211217. The next prime is 120311211227. The reversal of 120311211218 is 812112113021.

It is a happy number.

120311211218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 120311211193 and 120311211202.

It is not an unprimeable number, because it can be changed into a prime (120311211217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60792953 + ... + 60794931.

It is an arithmetic number, because the mean of its divisors is an integer number (3169509750).

Almost surely, 2120311211218 is an apocalyptic number.

120311211218 is a deficient number, since it is larger than the sum of its proper divisors (82537412782).

120311211218 is a wasteful number, since it uses less digits than its factorization.

120311211218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 120311211218 its reverse (812112113021), we get a palindrome (932423324239).

The spelling of 120311211218 in words is "one hundred twenty billion, three hundred eleven million, two hundred eleven thousand, two hundred eighteen".

Divisors: 1 2 11 22 61 89 122 178 509 671 979 1018 1342 1958 1979 3958 5429 5599 10858 11198 21769 31049 43538 45301 59719 62098 90602 119438 120719 176131 241438 341539 352262 498311 683078 996622 1007311 1327909 1937441 2014622 2655818 2763361 3874882 5526722 10743991 11080421 21487982 22160842 30396971 60793942 61445971 89650679 118183901 122891942 179301358 236367802 675905681 986157469 1351811362 1972314938 5468691419 10937382838 60155605609 120311211218