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12201005252071 is a prime number
BaseRepresentation
bin1011000110001100010010…
…0101010111110111100111
31121012101221000220212220001
42301203010211113313213
53044400124321031241
641541021530122131
72366331166323406
oct261430445276747
947171830825801
1012201005252071
113984465426839
121450777b80347
136a671c06766c
143027633b763d
15162599762431
hexb18c4957de7

12201005252071 has 2 divisors, whose sum is σ = 12201005252072. Its totient is φ = 12201005252070.

The previous prime is 12201005251997. The next prime is 12201005252179. The reversal of 12201005252071 is 17025250010221.

It is a weak prime.

It is an emirp because it is prime and its reverse (17025250010221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12201005252071 is a prime.

It is a super-2 number, since 2×122010052520712 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201005252771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100502626035 + 6100502626036.

It is an arithmetic number, because the mean of its divisors is an integer number (6100502626036).

Almost surely, 212201005252071 is an apocalyptic number.

12201005252071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201005252071 is an equidigital number, since it uses as much as digits as its factorization.

12201005252071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

Adding to 12201005252071 its reverse (17025250010221), we get a palindrome (29226255262292).

The spelling of 12201005252071 in words is "twelve trillion, two hundred one billion, five million, two hundred fifty-two thousand, seventy-one".