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12122122102 = 217663753719
BaseRepresentation
bin10110100101000100…
…01110011101110110
31011021210220121101021
423102202032131312
5144311230401402
65322511051354
7606253223566
oct132242163566
934253817337
1012122122102
115160692832
122423810b5a
1311b255261c
1482dd2ada6
154ae344d37
hex2d288e776

12122122102 has 16 divisors (see below), whose sum is σ = 19256041440. Its totient is φ = 5703562368.

The previous prime is 12122122081. The next prime is 12122122157. The reversal of 12122122102 is 20122122121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198799 + ... + 252517.

It is an arithmetic number, because the mean of its divisors is an integer number (1203502590).

Almost surely, 212122122102 is an apocalyptic number.

12122122102 is a deficient number, since it is larger than the sum of its proper divisors (7133919338).

12122122102 is a wasteful number, since it uses less digits than its factorization.

12122122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60375.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122122102 its reverse (20122122121), we get a palindrome (32244244223).

The spelling of 12122122102 in words is "twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred two".

Divisors: 1 2 17 34 6637 13274 53719 107438 112829 225658 913223 1826446 356533003 713066006 6061061051 12122122102