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12120331322 = 2111789364127
BaseRepresentation
bin10110100100110110…
…11001010000111010
31011021200112121220002
423102123121100322
5144310301100242
65322404433002
7606232054631
oct132233312072
934250477802
1012120331322
11515a67a350
1224230a8762
1311b20764a8
1482d9c2518
154ae0de432
hex2d26d943a

12120331322 has 32 divisors (see below), whose sum is σ = 21235944960. Its totient is φ = 5126894080.

The previous prime is 12120331273. The next prime is 12120331331. The reversal of 12120331322 is 22313302121.

12120331322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12120331294 and 12120331303.

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 15 ways as a sum of consecutive naturals, for example, 148778 + ... + 215349.

It is an arithmetic number, because the mean of its divisors is an integer number (663623280).

Almost surely, 212120331322 is an apocalyptic number.

12120331322 is a deficient number, since it is larger than the sum of its proper divisors (9115613638).

12120331322 is a wasteful number, since it uses less digits than its factorization.

12120331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364246.

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

Adding to 12120331322 its reverse (22313302121), we get a palindrome (34433633443).

The spelling of 12120331322 in words is "twelve billion, one hundred twenty million, three hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 11 17 22 34 89 178 187 374 979 1513 1958 3026 16643 33286 364127 728254 4005397 6190159 8010794 12380318 32407303 64814606 68091749 136183498 356480333 550924151 712960666 1101848302 6060165661 12120331322