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12223210032 = 2432117716673
BaseRepresentation
bin10110110001000111…
…10110001000110000
31011112212010101221200
423120203312020300
5200013120210112
65340521451200
7611621366565
oct133043661060
934485111850
1012223210032
115202757680
122451640b00
1311ca487377
1483d52286c
154b8161cdc
hex2d88f6230

12223210032 has 60 divisors (see below), whose sum is σ = 37317835464. Its totient is φ = 3704002560.

The previous prime is 12223210031. The next prime is 12223210039. The reversal of 12223210032 is 23001232221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12223209987 and 12223210014.

It is not an unprimeable number, because it can be changed into a prime (12223210031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3856753 + ... + 3859920.

Almost surely, 212223210032 is an apocalyptic number.

12223210032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12223210032 is an abundant number, since it is smaller than the sum of its proper divisors (25094625432).

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

12223210032 is a wasteful number, since it uses less digits than its factorization.

12223210032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716698 (or 7716689 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12223210032 its reverse (23001232221), we get a palindrome (35224442253).

The spelling of 12223210032 in words is "twelve billion, two hundred twenty-three million, two hundred ten thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 7716673 15433346 23150019 30866692 46300038 61733384 69450057 84883403 92600076 123466768 138900114 169766806 185200152 254650209 277800228 339533612 370400304 509300418 555600456 679067224 763950627 1018600836 1111200912 1358134448 1527901254 2037201672 3055802508 4074403344 6111605016 12223210032