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12020012101 is a prime number
BaseRepresentation
bin10110011000111001…
…01101010001000101
31011000200202212210101
423030130231101011
5144104110341401
65304422324101
7603603263026
oct131434552105
934020685711
1012020012101
115108a8aaa9
1223b5589631
1311973505c6
1482054ac4d
154a53c5101
hex2cc72d445

12020012101 has 2 divisors, whose sum is σ = 12020012102. Its totient is φ = 12020012100.

The previous prime is 12020012089. The next prime is 12020012113. The reversal of 12020012101 is 10121002021.

It is a balanced prime because it is at equal distance from previous prime (12020012089) and next prime (12020012113).

It can be written as a sum of positive squares in only one way, i.e., 11821343076 + 198669025 = 108726^2 + 14095^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020012101 - 27 = 12020011973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020012131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010006050 + 6010006051.

It is an arithmetic number, because the mean of its divisors is an integer number (6010006051).

Almost surely, 212020012101 is an apocalyptic number.

It is an amenable number.

12020012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020012101 is an equidigital number, since it uses as much as digits as its factorization.

12020012101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12020012101 its reverse (10121002021), we get a palindrome (22141014122).

The spelling of 12020012101 in words is "twelve billion, twenty million, twelve thousand, one hundred one".