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12001022210201 = 17241526028409
BaseRepresentation
bin1010111010100011010010…
…1010100111000010011001
31120111021201212112202120112
42232220310222213002121
53033111043141211301
641305105443334105
72346021342446123
oct256506452470231
946437655482515
1012001022210201
113907672198522
121419a66081335
136908cb4051ab
142d6bd166c213
1515c292a3c9bb
hexaea34aa7099

12001022210201 has 6 divisors (see below), whose sum is σ = 12748490721870. Its totient is φ = 11295079726976.

The previous prime is 12001022210141. The next prime is 12001022210231. The reversal of 12001022210201 is 10201222010021.

It can be written as a sum of positive squares in 3 ways, for example, as 2301061455625 + 9699960754576 = 1516925^2 + 3114476^2 .

It is not a de Polignac number, because 12001022210201 - 26 = 12001022210137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001022210231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20763013916 + ... + 20763014493.

It is an arithmetic number, because the mean of its divisors is an integer number (2124748453645).

Almost surely, 212001022210201 is an apocalyptic number.

It is an amenable number.

12001022210201 is a deficient number, since it is larger than the sum of its proper divisors (747468511669).

12001022210201 is an equidigital number, since it uses as much as digits as its factorization.

12001022210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41526028443 (or 41526028426 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12001022210201 its reverse (10201222010021), we get a palindrome (22202244220222).

The spelling of 12001022210201 in words is "twelve trillion, one billion, twenty-two million, two hundred ten thousand, two hundred one".

Divisors: 1 17 289 41526028409 705942482953 12001022210201