Search a number
-
+
122221131230 = 25111935757001
BaseRepresentation
bin111000111010011110…
…0100111010111011110
3102200110210121202202002
41301310330213113132
54000302102144410
6132051515002302
711554516321442
oct1616474472736
9380423552662
10122221131230
1147919707970
121b82b739392
13b6aa406cc3
145cb6324822
1532a4e987a5
hex1c74f275de

122221131230 has 32 divisors (see below), whose sum is σ = 241241411808. Its totient is φ = 44213760000.

The previous prime is 122221131217. The next prime is 122221131239. The reversal of 122221131230 is 32131122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221131239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2857271 + ... + 2899730.

It is an arithmetic number, because the mean of its divisors is an integer number (7538794119).

Almost surely, 2122221131230 is an apocalyptic number.

122221131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221131230 is a deficient number, since it is larger than the sum of its proper divisors (119020280578).

122221131230 is a wasteful number, since it uses less digits than its factorization.

122221131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757212.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122221131230 its reverse (32131122221), we get a palindrome (154352253451).

Subtracting from 122221131230 its reverse (32131122221), we obtain a palindrome (90090009009).

The spelling of 122221131230 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 193 386 965 1930 2123 4246 10615 21230 5757001 11514002 28785005 57570010 63327011 126654022 316635055 633270110 1111101193 2222202386 5555505965 11111011930 12222113123 24444226246 61110565615 122221131230