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12222054227 is a prime number
BaseRepresentation
bin10110110000111110…
…11011111101010011
31011112202221200111002
423120133123331103
5200012321213402
65340441012215
7611605514105
oct133037337523
934482850432
1012222054227
115202038269
12245118406b
1311ca171266
1483d301575
154b7ed4602
hex2d87dbf53

12222054227 has 2 divisors, whose sum is σ = 12222054228. Its totient is φ = 12222054226.

The previous prime is 12222054211. The next prime is 12222054233. The reversal of 12222054227 is 72245022221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12222054227 - 24 = 12222054211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12222054227.

It is not a weakly prime, because it can be changed into another prime (12222054277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111027113 + 6111027114.

It is an arithmetic number, because the mean of its divisors is an integer number (6111027114).

Almost surely, 212222054227 is an apocalyptic number.

12222054227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222054227 is an equidigital number, since it uses as much as digits as its factorization.

12222054227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 12222054227 its reverse (72245022221), we get a palindrome (84467076448).

The spelling of 12222054227 in words is "twelve billion, two hundred twenty-two million, fifty-four thousand, two hundred twenty-seven".