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12223320311 = 71172159441
BaseRepresentation
bin10110110001001000…
…10001000011110111
31011112212100000020002
423120210101003313
5200013132222221
65340524101515
7611622336236
oct133044210367
934485300202
1012223320311
115202822514
12245169489b
1311ca4c5617
1483d550b1d
154b818480b
hex2d89110f7

12223320311 has 4 divisors (see below), whose sum is σ = 12395479824. Its totient is φ = 12051160800.

The previous prime is 12223320301. The next prime is 12223320341. The reversal of 12223320311 is 11302332221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12223320311 - 230 = 11149578487 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 (12223320301) 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, 86079650 + ... + 86079791.

It is an arithmetic number, because the mean of its divisors is an integer number (3098869956).

Almost surely, 212223320311 is an apocalyptic number.

12223320311 is a deficient number, since it is larger than the sum of its proper divisors (172159513).

12223320311 is an equidigital number, since it uses as much as digits as its factorization.

12223320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172159512.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12223320311 its reverse (11302332221), we get a palindrome (23525652532).

The spelling of 12223320311 in words is "twelve billion, two hundred twenty-three million, three hundred twenty thousand, three hundred eleven".

Divisors: 1 71 172159441 12223320311