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12122211012103 is a prime number
BaseRepresentation
bin1011000001100110110000…
…0101001100111000000111
31120220212112201122202201001
42300121230011030320013
53042102242004341403
641440511124114131
72360541455330233
oct260315405147007
946825481582631
1012122211012103
113954001100055
121439447b35947
1369c172992a2a
142dca0a82b5c3
151604d706ac1d
hexb066c14ce07

12122211012103 has 2 divisors, whose sum is σ = 12122211012104. Its totient is φ = 12122211012102.

The previous prime is 12122211012071. The next prime is 12122211012181. The reversal of 12122211012103 is 30121011222121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122211012103 - 25 = 12122211012071 is a prime.

It is a super-2 number, since 2×121222110121032 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122211012503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061105506051 + 6061105506052.

It is an arithmetic number, because the mean of its divisors is an integer number (6061105506052).

Almost surely, 212122211012103 is an apocalyptic number.

12122211012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122211012103 is an equidigital number, since it uses as much as digits as its factorization.

12122211012103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12122211012103 its reverse (30121011222121), we get a palindrome (42243222234224).

The spelling of 12122211012103 in words is "twelve trillion, one hundred twenty-two billion, two hundred eleven million, twelve thousand, one hundred three".