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12201212210023 is a prime number
BaseRepresentation
bin1011000110001101000011…
…1010110110101101100111
31121012102110110100102211101
42301203100322312231213
53044401040311210043
641541054242020531
72366336261410354
oct261432072665547
947172413312741
1012201212210023
113984561231371
121450815347747
136a6752bb99a5
14302782a8b62b
151625ac9e324d
hexb18d0eb6b67

12201212210023 has 2 divisors, whose sum is σ = 12201212210024. Its totient is φ = 12201212210022.

The previous prime is 12201212209997. The next prime is 12201212210041. The reversal of 12201212210023 is 32001221210221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12201212210023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201212210093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100606105011 + 6100606105012.

It is an arithmetic number, because the mean of its divisors is an integer number (6100606105012).

Almost surely, 212201212210023 is an apocalyptic number.

12201212210023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201212210023 is an equidigital number, since it uses as much as digits as its factorization.

12201212210023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12201212210023 its reverse (32001221210221), we get a palindrome (44202433420244).

The spelling of 12201212210023 in words is "twelve trillion, two hundred one billion, two hundred twelve million, two hundred ten thousand, twenty-three".