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12122002010 = 251212200201
BaseRepresentation
bin10110100101000011…
…10001001001011010
31011021210200111122102
423102201301021122
5144311213031020
65322504323402
7606252213506
oct132241611132
934253614572
1012122002010
115160610588
122423773562
1311b250ca71
1482dcd9306
154ae31e475
hex2d287125a

12122002010 has 8 divisors (see below), whose sum is σ = 21819603636. Its totient is φ = 4848800800.

The previous prime is 12122001979. The next prime is 12122002019. The reversal of 12122002010 is 1020022121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11439799849 + 682202161 = 106957^2 + 26119^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12122001982 and 12122002000.

It is not an unprimeable number, because it can be changed into a prime (12122002019) 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, 606100091 + ... + 606100110.

Almost surely, 212122002010 is an apocalyptic number.

12122002010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122002010 is a deficient number, since it is larger than the sum of its proper divisors (9697601626).

12122002010 is a wasteful number, since it uses less digits than its factorization.

12122002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212200208.

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

Adding to 12122002010 its reverse (1020022121), we get a palindrome (13142024131).

The spelling of 12122002010 in words is "twelve billion, one hundred twenty-two million, two thousand, ten".

Divisors: 1 2 5 10 1212200201 2424400402 6061001005 12122002010