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12012332201 = 22752917763
BaseRepresentation
bin10110010111111110…
…11010010010101001
31011000011022200221122
423023333122102221
5144100124112301
65303545545025
7603451065452
oct131377322251
934004280848
1012012332201
115104714a81
1223b2aa5175
131195891a9c
1481d50c129
154a48a981b
hex2cbfda4a9

12012332201 has 4 divisors (see below), whose sum is σ = 12065250192. Its totient is φ = 11959414212.

The previous prime is 12012332191. The next prime is 12012332203. The reversal of 12012332201 is 10223321021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12012332201 - 214 = 12012315817 is a prime.

It is a super-2 number, since 2×120123322012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012332201.

It is not an unprimeable number, because it can be changed into a prime (12012332203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26458655 + ... + 26459108.

It is an arithmetic number, because the mean of its divisors is an integer number (3016312548).

Almost surely, 212012332201 is an apocalyptic number.

It is an amenable number.

12012332201 is a deficient number, since it is larger than the sum of its proper divisors (52917991).

12012332201 is an equidigital number, since it uses as much as digits as its factorization.

12012332201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52917990.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12012332201 its reverse (10223321021), we get a palindrome (22235653222).

The spelling of 12012332201 in words is "twelve billion, twelve million, three hundred thirty-two thousand, two hundred one".

Divisors: 1 227 52917763 12012332201