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12201311322 = 2321588742667
BaseRepresentation
bin10110101110100000…
…10011110001011010
31011111022220211120100
423113100103301122
5144442013430242
65334420240230
7611234302134
oct132720236132
934438824510
1012201311322
1151a135a872
122446240076
1311c5a8a955
1483a662054
154b628854c
hex2d7413c5a

12201311322 has 24 divisors (see below), whose sum is σ = 26438458176. Its totient is φ = 4066752456.

The previous prime is 12201311273. The next prime is 12201311351. The reversal of 12201311322 is 22311310221.

12201311322 is a `hidden beast` number, since 12 + 20 + 1 + 311 + 322 = 666.

12201311322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12201311295 and 12201311304.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 264633 + ... + 307299.

It is an arithmetic number, because the mean of its divisors is an integer number (1101602424).

Almost surely, 212201311322 is an apocalyptic number.

12201311322 is an abundant number, since it is smaller than the sum of its proper divisors (14237146854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201311322 is a wasteful number, since it uses less digits than its factorization.

12201311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58562 (or 58559 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12201311322 its reverse (22311310221), we get a palindrome (34512621543).

The spelling of 12201311322 in words is "twelve billion, two hundred one million, three hundred eleven thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 15887 31774 42667 47661 85334 95322 128001 142983 256002 285966 384003 768006 677850629 1355701258 2033551887 4067103774 6100655661 12201311322