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122201110212 = 22343236823857
BaseRepresentation
bin111000111001111000…
…0001111011011000100
3102200102101221121001220
41301303300033123010
54000231441011322
6132045521520340
711554154204226
oct1616360173304
9380371847056
10122201110212
1147909382875
121b824aa30b0
13b6a621714c
145cb37d2416
1532a334155c
hex1c73c0f6c4

122201110212 has 24 divisors (see below), whose sum is σ = 291766993056. Its totient is φ = 39786407808.

The previous prime is 122201110211. The next prime is 122201110231. The reversal of 122201110212 is 212011102221.

122201110212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1222011102122 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122201110191 and 122201110200.

It is not an unprimeable number, because it can be changed into a prime (122201110211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118411413 + ... + 118412444.

It is an arithmetic number, because the mean of its divisors is an integer number (12156958044).

Almost surely, 2122201110212 is an apocalyptic number.

122201110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122201110212 is an abundant number, since it is smaller than the sum of its proper divisors (169565882844).

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

122201110212 is a wasteful number, since it uses less digits than its factorization.

122201110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236823907 (or 236823905 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122201110212 its reverse (212011102221), we get a palindrome (334212212433).

The spelling of 122201110212 in words is "one hundred twenty-two billion, two hundred one million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 236823857 473647714 710471571 947295428 1420943142 2841886284 10183425851 20366851702 30550277553 40733703404 61100555106 122201110212