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12213213202 = 2174331126861
BaseRepresentation
bin10110101111111011…
…01101100000010010
31011112011022111212201
423113331231200102
5200003040310302
65335523313414
7611440412401
oct132775554022
934464274781
1012213213202
1151a8049933
12244a21b86a
1311c8397098
1483c07d638
154b7339c87
hex2d7f6d812

12213213202 has 32 divisors (see below), whose sum is σ = 19913122944. Its totient is φ = 5595475200.

The previous prime is 12213213193. The next prime is 12213213217. The reversal of 12213213202 is 20231231221.

It is a self number, because there is not a number n which added to its sum of digits gives 12213213202.

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 15 ways as a sum of consecutive naturals, for example, 441252 + ... + 468112.

It is an arithmetic number, because the mean of its divisors is an integer number (622285092).

Almost surely, 212213213202 is an apocalyptic number.

12213213202 is a deficient number, since it is larger than the sum of its proper divisors (7699909742).

12213213202 is a wasteful number, since it uses less digits than its factorization.

12213213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27234.

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

Adding to 12213213202 its reverse (20231231221), we get a palindrome (32444444423).

The spelling of 12213213202 in words is "twelve billion, two hundred thirteen million, two hundred thirteen thousand, two hundred two".

Divisors: 1 2 17 34 43 86 311 622 731 1462 5287 10574 13373 26746 26861 53722 227341 454682 456637 913274 1155023 2310046 8353771 16707542 19635391 39270782 142014107 284028214 359212153 718424306 6106606601 12213213202