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122221212130 = 25103373318127
BaseRepresentation
bin111000111010011110…
…0111011000111100010
3102200110210202212201101
41301310330323013202
54000302112242010
6132051520425014
711554520106343
oct1616474730742
9380423685641
10122221212130
1147919762726
121b82b77816a
13b6aa434a84
145cb63460ca
1532a4eb273a
hex1c74f3b1e2

122221212130 has 32 divisors (see below), whose sum is σ = 222730320384. Its totient is φ = 48283891776.

The previous prime is 122221212107. The next prime is 122221212131. The reversal of 122221212130 is 31212122221.

122221212130 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 = 122221212098 and 122221212107.

It is not an unprimeable number, because it can be changed into a prime (122221212131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225127 + ... + 543253.

It is an arithmetic number, because the mean of its divisors is an integer number (6960322512).

Almost surely, 2122221212130 is an apocalyptic number.

122221212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122221212130 is a deficient number, since it is larger than the sum of its proper divisors (100509108254).

122221212130 is a wasteful number, since it uses less digits than its factorization.

122221212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318610.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 122221212130 its reverse (31212122221), we get a palindrome (153433334351).

The spelling of 122221212130 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 103 206 373 515 746 1030 1865 3730 38419 76838 192095 318127 384190 636254 1590635 3181270 32767081 65534162 118661371 163835405 237322742 327670810 593306855 1186613710 12222121213 24444242426 61110606065 122221212130