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12222312023 = 102731189751
BaseRepresentation
bin10110110001000000…
…11010111001010111
31011112210102210010002
423120200122321113
5200012402441043
65340450321515
7611610636515
oct133040327127
934483383102
1012222312023
1152021a3a19
12245128929b
1311ca2316bc
1483d36b4b5
154b8035bb8
hex2d881ae57

12222312023 has 4 divisors (see below), whose sum is σ = 12223512048. Its totient is φ = 12221112000.

The previous prime is 12222312019. The next prime is 12222312041. The reversal of 12222312023 is 32021322221.

It is a happy number.

12222312023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12222312023 - 22 = 12222312019 is a prime.

It is a super-2 number, since 2×122223120232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222311986 and 12222312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222362023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584603 + ... + 605148.

It is an arithmetic number, because the mean of its divisors is an integer number (3055878012).

Almost surely, 212222312023 is an apocalyptic number.

12222312023 is a deficient number, since it is larger than the sum of its proper divisors (1200025).

12222312023 is a wasteful number, since it uses less digits than its factorization.

12222312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200024.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12222312023 its reverse (32021322221), we get a palindrome (44243634244).

The spelling of 12222312023 in words is "twelve billion, two hundred twenty-two million, three hundred twelve thousand, twenty-three".

Divisors: 1 10273 1189751 12222312023