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12122110069 is a prime number
BaseRepresentation
bin10110100101000100…
…01011100001110101
31011021210212222212121
423102202023201311
5144311230010234
65322510515541
7606253143526
oct132242134165
934253788777
1012122110069
115160684793
122423805bb1
1311b2549cc4
1482dd2684d
154ae3414b4
hex2d288b875

12122110069 has 2 divisors, whose sum is σ = 12122110070. Its totient is φ = 12122110068.

The previous prime is 12122110031. The next prime is 12122110123. The reversal of 12122110069 is 96001122121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11693827044 + 428283025 = 108138^2 + 20695^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122110069 - 227 = 11987892341 is a prime.

It is a super-2 number, since 2×121221100692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122110019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061055034 + 6061055035.

It is an arithmetic number, because the mean of its divisors is an integer number (6061055035).

Almost surely, 212122110069 is an apocalyptic number.

It is an amenable number.

12122110069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122110069 is an equidigital number, since it uses as much as digits as its factorization.

12122110069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 12122110069 in words is "twelve billion, one hundred twenty-two million, one hundred ten thousand, sixty-nine".