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12023110081 is a prime number
BaseRepresentation
bin10110011001010001…
…00001100111000001
31011000220121021102101
423030220201213001
5144110404010311
65305012550401
7603641515033
oct131450414701
934026537371
1012023110081
11510a806614
1223b6622401
131197b96728
14820b15c53
154a57d7ec1
hex2cca219c1

12023110081 has 2 divisors, whose sum is σ = 12023110082. Its totient is φ = 12023110080.

The previous prime is 12023110079. The next prime is 12023110103. The reversal of 12023110081 is 18001132021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9180514225 + 2842595856 = 95815^2 + 53316^2 .

It is an emirp because it is prime and its reverse (18001132021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12023110081 - 21 = 12023110079 is a prime.

It is a super-2 number, since 2×120231100812 (a number of 21 digits) contains 22 as substring.

Together with 12023110079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12023117081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011555040 + 6011555041.

It is an arithmetic number, because the mean of its divisors is an integer number (6011555041).

Almost surely, 212023110081 is an apocalyptic number.

It is an amenable number.

12023110081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023110081 is an equidigital number, since it uses as much as digits as its factorization.

12023110081 is an evil number, because the sum of its binary digits is even.

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

The spelling of 12023110081 in words is "twelve billion, twenty-three million, one hundred ten thousand, eighty-one".