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12122004619 is a prime number
BaseRepresentation
bin10110100101000011…
…10001110010001011
31011021210200122020001
423102201301302023
5144311213121434
65322504343431
7606252224224
oct132241616213
934253618201
1012122004619
11516061253a
122423774b77
1311b2510cca
1482dcda24b
154ae320114
hex2d2871c8b

12122004619 has 2 divisors, whose sum is σ = 12122004620. Its totient is φ = 12122004618.

The previous prime is 12122004613. The next prime is 12122004623. The reversal of 12122004619 is 91640022121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122004619 - 233 = 3532070027 is a prime.

It is a super-2 number, since 2×121220046192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12122004613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061002309 + 6061002310.

It is an arithmetic number, because the mean of its divisors is an integer number (6061002310).

Almost surely, 212122004619 is an apocalyptic number.

12122004619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122004619 is an equidigital number, since it uses as much as digits as its factorization.

12122004619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 12122004619 in words is "twelve billion, one hundred twenty-two million, four thousand, six hundred nineteen".