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2012211122287 is a prime number
BaseRepresentation
bin11101010010000001001…
…000010001000001101111
321010100212110020010122111
4131102001020101001233
5230432002021403122
64140221431424451
7265243316221462
oct35220110210157
97110773203574
102012211122287
117064127a1793
12285b91525127
1311799b378812
146d56a5472d9
1537520052d77
hex1d48121106f

2012211122287 has 2 divisors, whose sum is σ = 2012211122288. Its totient is φ = 2012211122286.

The previous prime is 2012211122071. The next prime is 2012211122291. The reversal of 2012211122287 is 7822211122102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2012211122287 is a prime.

It is a super-2 number, since 2×20122111222872 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012211122297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006105561143 + 1006105561144.

It is an arithmetic number, because the mean of its divisors is an integer number (1006105561144).

Almost surely, 22012211122287 is an apocalyptic number.

2012211122287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012211122287 is an equidigital number, since it uses as much as digits as its factorization.

2012211122287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 31.

Adding to 2012211122287 its reverse (7822211122102), we get a palindrome (9834422244389).

The spelling of 2012211122287 in words is "two trillion, twelve billion, two hundred eleven million, one hundred twenty-two thousand, two hundred eighty-seven".