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12343110221 = 136019711627
BaseRepresentation
bin10110111111011010…
…01110101001001101
31011212012201222002102
423133231032221031
5200234314011341
65400443404445
7614605464041
oct133755165115
934765658072
1012343110221
115264400442
122485823725
131219277a20
14851414021
154c3947c9b
hex2dfb4ea4d

12343110221 has 16 divisors (see below), whose sum is σ = 13336602048. Its totient is φ = 11355984000.

The previous prime is 12343110107. The next prime is 12343110271. The reversal of 12343110221 is 12201134321.

It is a cyclic number.

It is not a de Polignac number, because 12343110221 - 226 = 12276001357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12343110193 and 12343110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343110271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7585610 + ... + 7587236.

It is an arithmetic number, because the mean of its divisors is an integer number (833537628).

Almost surely, 212343110221 is an apocalyptic number.

It is an amenable number.

12343110221 is a deficient number, since it is larger than the sum of its proper divisors (993491827).

12343110221 is a wasteful number, since it uses less digits than its factorization.

12343110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12343110221 its reverse (12201134321), we get a palindrome (24544244542).

The spelling of 12343110221 in words is "twelve billion, three hundred forty-three million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 13 601 971 1627 7813 12623 21151 583571 977827 1579817 7586423 12711751 20537621 949470017 12343110221