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12321122230 = 256132009971
BaseRepresentation
bin10110111100110010…
…10110011110110110
31011210200100212020101
423132121112132312
5200213201402410
65354340224314
7614220545104
oct133631263666
934720325211
1012321122230
115252a5254a
12247a39b09a
131214849791
1484c52cc74
154c1a52d3a
hex2de6567b6

12321122230 has 16 divisors (see below), whose sum is σ = 22214210544. Its totient is φ = 4920406560.

The previous prime is 12321122189. The next prime is 12321122251. The reversal of 12321122230 is 3222112321.

It is a junction number, because it is equal to n+sod(n) for n = 12321122198 and 12321122207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998856 + ... + 1011115.

It is an arithmetic number, because the mean of its divisors is an integer number (1388388159).

Almost surely, 212321122230 is an apocalyptic number.

12321122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321122230 is a deficient number, since it is larger than the sum of its proper divisors (9893088314).

12321122230 is a wasteful number, since it uses less digits than its factorization.

12321122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010591.

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

Adding to 12321122230 its reverse (3222112321), we get a palindrome (15543234551).

Subtracting from 12321122230 its reverse (3222112321), we obtain a palindrome (9099009909).

The spelling of 12321122230 in words is "twelve billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 613 1226 3065 6130 2009971 4019942 10049855 20099710 1232112223 2464224446 6160561115 12321122230