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12100101077 is a prime number
BaseRepresentation
bin10110100010011100…
…01110001111010101
31011020021110211012202
423101032032033111
5144240111213302
65320403054245
7605565106421
oct132116161725
934207424182
1012100101077
11514a212039
122418371385
1311aab1232c
1482b037b81
154ac445202
hex2d138e3d5

12100101077 has 2 divisors, whose sum is σ = 12100101078. Its totient is φ = 12100101076.

The previous prime is 12100101049. The next prime is 12100101127. The reversal of 12100101077 is 77010100121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8693511121 + 3406589956 = 93239^2 + 58366^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100101077 - 210 = 12100100053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100101017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050050538 + 6050050539.

It is an arithmetic number, because the mean of its divisors is an integer number (6050050539).

Almost surely, 212100101077 is an apocalyptic number.

It is an amenable number.

12100101077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100101077 is an equidigital number, since it uses as much as digits as its factorization.

12100101077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 20.

Adding to 12100101077 its reverse (77010100121), we get a palindrome (89110201198).

The spelling of 12100101077 in words is "twelve billion, one hundred million, one hundred one thousand, seventy-seven".