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2012211127 is a prime number
BaseRepresentation
bin111011111101111…
…1110011110110111
312012020022220202001
41313323332132313
513110111224002
6531400400131
7100602340513
oct16773763667
95166286661
102012211127
11942928003
12481a76047
13260b61494
14151357143
15bb9c5a87
hex77efe7b7

2012211127 has 2 divisors, whose sum is σ = 2012211128. Its totient is φ = 2012211126.

The previous prime is 2012211109. The next prime is 2012211151. The reversal of 2012211127 is 7211122102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012211127 - 215 = 2012178359 is a prime.

It is a super-2 number, since 2×20122111272 = 8097987239245220258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012211527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006105563 + 1006105564.

It is an arithmetic number, because the mean of its divisors is an integer number (1006105564).

Almost surely, 22012211127 is an apocalyptic number.

2012211127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012211127 is an equidigital number, since it uses as much as digits as its factorization.

2012211127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2012211127 is about 44857.6763441889. The cubic root of 2012211127 is about 1262.4800249364.

Adding to 2012211127 its reverse (7211122102), we get a palindrome (9223333229).

The spelling of 2012211127 in words is "two billion, twelve million, two hundred eleven thousand, one hundred twenty-seven".