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12213312202 = 27132316717471
BaseRepresentation
bin10110101111111100…
…00101101011001010
31011112011111112200101
423113332011223022
5200003101442302
65335525400014
7611441304130
oct132776055312
934464445611
1012213312202
1151a8107253
12244a26900a
1311c8400170
1483c0a7750
154b7359287
hex2d7f85aca

12213312202 has 64 divisors (see below), whose sum is σ = 23670226944. Its totient is φ = 4593631680.

The previous prime is 12213312173. The next prime is 12213312247. The reversal of 12213312202 is 20221331221.

It is a self number, because there is not a number n which added to its sum of digits gives 12213312202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 690327 + ... + 707797.

It is an arithmetic number, because the mean of its divisors is an integer number (369847296).

Almost surely, 212213312202 is an apocalyptic number.

12213312202 is a deficient number, since it is larger than the sum of its proper divisors (11456914742).

12213312202 is a wasteful number, since it uses less digits than its factorization.

12213312202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17683.

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

Adding to 12213312202 its reverse (20221331221), we get a palindrome (32434643423).

It can be divided in two parts, 12213 and 312202, that added together give a triangular number (324415 = T805).

The spelling of 12213312202 in words is "twelve billion, two hundred thirteen million, three hundred twelve thousand, two hundred two".

Divisors: 1 2 7 13 14 23 26 46 91 161 167 182 299 322 334 598 1169 2093 2171 2338 3841 4186 4342 7682 15197 17471 26887 30394 34942 49933 53774 99866 122297 227123 244594 349531 401833 454246 699062 803666 1589861 2812831 2917657 3179722 5223829 5625662 5835314 10447658 20423599 36566803 37929541 40847198 67106111 73133606 75859082 134212222 265506787 469742777 531013574 872379443 939485554 1744758886 6106656101 12213312202