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12210022010 = 251221002201
BaseRepresentation
bin10110101111100011…
…00010011001111010
31011111221022101101102
423113301202121322
5200001231201020
65335331051402
7611401321544
oct132761423172
934457271342
1012210022010
1151a626a28a
122449140b62
1311c781a6c4
1483b88c694
154b6e09475
hex2d7c6267a

12210022010 has 8 divisors (see below), whose sum is σ = 21978039636. Its totient is φ = 4884008800.

The previous prime is 12210022001. The next prime is 12210022061. The reversal of 12210022010 is 1022001221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12208261081 + 1760929 = 110491^2 + 1327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12210021982 and 12210022000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610501091 + ... + 610501110.

Almost surely, 212210022010 is an apocalyptic number.

12210022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210022010 is a deficient number, since it is larger than the sum of its proper divisors (9768017626).

12210022010 is a wasteful number, since it uses less digits than its factorization.

12210022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221002208.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12210022010 its reverse (1022001221), we get a palindrome (13232023231).

The spelling of 12210022010 in words is "twelve billion, two hundred ten million, twenty-two thousand, ten".

Divisors: 1 2 5 10 1221002201 2442004402 6105011005 12210022010