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12220032122 = 229952122129
BaseRepresentation
bin10110110000101111…
…01110010001111010
31011112122010221200022
423120113232101322
5200011312011442
65340325410442
7611552362544
oct133027562172
934478127608
1012220032122
115200987001
122450569a22
1311c9913a4c
1483cd36694
154b7c353d2
hex2d85ee47a

12220032122 has 16 divisors (see below), whose sum is σ = 18964967400. Its totient is φ = 5898439680.

The previous prime is 12220032109. The next prime is 12220032131. The reversal of 12220032122 is 22123002221.

It can be written as a sum of positive squares in 4 ways, for example, as 12049233361 + 170798761 = 109769^2 + 13069^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12220032122.

It is an unprimeable number.

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, 541154 + ... + 563282.

Almost surely, 212220032122 is an apocalyptic number.

12220032122 is a deficient number, since it is larger than the sum of its proper divisors (6744935278).

12220032122 is a wasteful number, since it uses less digits than its factorization.

12220032122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31681.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12220032122 its reverse (22123002221), we get a palindrome (34343034343).

The spelling of 12220032122 in words is "twelve billion, two hundred twenty million, thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 29 58 9521 19042 22129 44258 276109 552218 641741 1283482 210690209 421380418 6110016061 12220032122