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12122551151 is a prime number
BaseRepresentation
bin10110100101000111…
…10111001101101111
31011021211201101220222
423102203313031233
5144311333114101
65322524201555
7606256661504
oct132243671557
934254641828
1012122551151
115160956117
1224239992bb
1311b26729b9
1482dddd4ab
154ae3cc01b
hex2d28f736f

12122551151 has 2 divisors, whose sum is σ = 12122551152. Its totient is φ = 12122551150.

The previous prime is 12122551127. The next prime is 12122551153. The reversal of 12122551151 is 15115522121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122551151 - 218 = 12122289007 is a prime.

It is a super-2 number, since 2×121225511512 (a number of 21 digits) contains 22 as substring.

Together with 12122551153, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12122551151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122551153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061275575 + 6061275576.

It is an arithmetic number, because the mean of its divisors is an integer number (6061275576).

Almost surely, 212122551151 is an apocalyptic number.

12122551151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122551151 is an equidigital number, since it uses as much as digits as its factorization.

12122551151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000, while the sum is 26.

The spelling of 12122551151 in words is "twelve billion, one hundred twenty-two million, five hundred fifty-one thousand, one hundred fifty-one".