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12122012102 = 217993736137
BaseRepresentation
bin10110100101000011…
…10011100111000110
31011021210201000111012
423102201303213012
5144311213341402
65322504442222
7606252255104
oct132241634706
934253630435
1012122012102
115160618122
122423779372
1311b2514535
1482dcdcc74
154ae322452
hex2d28739c6

12122012102 has 16 divisors (see below), whose sum is σ = 18304619760. Its totient is φ = 6020546688.

The previous prime is 12122012081. The next prime is 12122012107. The reversal of 12122012102 is 20121022121.

12122012102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122012107) 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 7 ways as a sum of consecutive naturals, for example, 317378 + ... + 353514.

It is an arithmetic number, because the mean of its divisors is an integer number (1144038735).

Almost surely, 212122012102 is an apocalyptic number.

12122012102 is a deficient number, since it is larger than the sum of its proper divisors (6182607658).

12122012102 is a wasteful number, since it uses less digits than its factorization.

12122012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37255.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122012102 its reverse (20121022121), we get a palindrome (32243034223).

The spelling of 12122012102 in words is "twelve billion, one hundred twenty-two million, twelve thousand, one hundred two".

Divisors: 1 2 179 358 937 1874 36137 72274 167723 335446 6468523 12937046 33860369 67720738 6061006051 12122012102