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12120210221201 is a prime number
BaseRepresentation
bin1011000001011111010011…
…0100110010100010010001
31120220200101021211001120022
42300113310310302202101
53042034142304034301
641435540412153225
72360441052022505
oct260276464624221
946820337731508
1012120210221201
113953174773255
121438b89a68815
1369bc142cc6a4
142dc89ac08305
1516041b59dd1b
hexb05f4d32891

12120210221201 has 2 divisors, whose sum is σ = 12120210221202. Its totient is φ = 12120210221200.

The previous prime is 12120210221173. The next prime is 12120210221209. The reversal of 12120210221201 is 10212201202121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12106398330625 + 13811890576 = 3479425^2 + 117524^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120210221201 - 218 = 12120209959057 is a prime.

It is a super-2 number, since 2×121202102212012 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12120210221201.

It is not a weakly prime, because it can be changed into another prime (12120210221209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060105110600 + 6060105110601.

It is an arithmetic number, because the mean of its divisors is an integer number (6060105110601).

Almost surely, 212120210221201 is an apocalyptic number.

It is an amenable number.

12120210221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120210221201 is an equidigital number, since it uses as much as digits as its factorization.

12120210221201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12120210221201 its reverse (10212201202121), we get a palindrome (22332411423322).

The spelling of 12120210221201 in words is "twelve trillion, one hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, two hundred one".