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12223202311 = 102671190533
BaseRepresentation
bin10110110001000111…
…10100010000000111
31011112212010000100201
423120203310100013
5200013114433221
65340521351331
7611621335225
oct133043642007
934485100321
1012223202311
1152027518a1
122451638547
1311ca4839b8
1483d51db15
154b815e891
hex2d88f4407

12223202311 has 4 divisors (see below), whose sum is σ = 12224403112. Its totient is φ = 12222001512.

The previous prime is 12223202281. The next prime is 12223202323. The reversal of 12223202311 is 11320232221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11320232221 = 17665896013.

It is a cyclic number.

It is not a de Polignac number, because 12223202311 - 25 = 12223202279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223202111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585000 + ... + 605533.

It is an arithmetic number, because the mean of its divisors is an integer number (3056100778).

Almost surely, 212223202311 is an apocalyptic number.

12223202311 is a deficient number, since it is larger than the sum of its proper divisors (1200801).

12223202311 is a wasteful number, since it uses less digits than its factorization.

12223202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200800.

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

Adding to 12223202311 its reverse (11320232221), we get a palindrome (23543434532).

The spelling of 12223202311 in words is "twelve billion, two hundred twenty-three million, two hundred two thousand, three hundred eleven".

Divisors: 1 10267 1190533 12223202311