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12041664101 is a prime number
BaseRepresentation
bin10110011011011110…
…10011011001100101
31011002012111220202022
423031233103121211
5144130131222401
65310514352525
7604255312265
oct131557233145
934065456668
1012041664101
11511a229515
12240088b745
13119b99193c
148233857a5
154a725071b
hex2cdbd3665

12041664101 has 2 divisors, whose sum is σ = 12041664102. Its totient is φ = 12041664100.

The previous prime is 12041664071. The next prime is 12041664127. The reversal of 12041664101 is 10146614021.

It is an a-pointer prime, because the next prime (12041664127) can be obtained adding 12041664101 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10835769025 + 1205895076 = 104095^2 + 34726^2 .

It is a cyclic number.

It is not a de Polignac number, because 12041664101 - 210 = 12041663077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12041664001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020832050 + 6020832051.

It is an arithmetic number, because the mean of its divisors is an integer number (6020832051).

Almost surely, 212041664101 is an apocalyptic number.

It is an amenable number.

12041664101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12041664101 is an equidigital number, since it uses as much as digits as its factorization.

12041664101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 12041664101 in words is "twelve billion, forty-one million, six hundred sixty-four thousand, one hundred one".