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12212027057 is a prime number
BaseRepresentation
bin10110101111110010…
…01011111010110001
31011112002002020210102
423113321023322301
5200002234331212
65335442042145
7611424342266
oct132771137261
934462066712
1012212027057
1151a740974a
122449949355
1311c8070219
1483bc5126d
154b71a35c2
hex2d7e4beb1

12212027057 has 2 divisors, whose sum is σ = 12212027058. Its totient is φ = 12212027056.

The previous prime is 12212027029. The next prime is 12212027063. The reversal of 12212027057 is 75072021221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7390668961 + 4821358096 = 85969^2 + 69436^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212027057 - 210 = 12212026033 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212027017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106013528 + 6106013529.

It is an arithmetic number, because the mean of its divisors is an integer number (6106013529).

Almost surely, 212212027057 is an apocalyptic number.

It is an amenable number.

12212027057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212027057 is an equidigital number, since it uses as much as digits as its factorization.

12212027057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 12212027057 its reverse (75072021221), we get a palindrome (87284048278).

The spelling of 12212027057 in words is "twelve billion, two hundred twelve million, twenty-seven thousand, fifty-seven".