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12002012011201 = 12379702515773
BaseRepresentation
bin1010111010100110111110…
…1010011001101011000001
31120111101021212000212021211
42232221233222121223001
53033120110033324301
641305352002250121
72346055021561252
oct256515752315301
946441255025254
1012002012011201
11390802a985683
12141a0a1656941
13690a284b1064
142d6c86cc2b29
1515c2ee8a7051
hexaea6fa99ac1

12002012011201 has 4 divisors (see below), whose sum is σ = 12011714528212. Its totient is φ = 11992309494192.

The previous prime is 12002012011183. The next prime is 12002012011229. The reversal of 12002012011201 is 10211021020021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3693776486400 + 8308235524801 = 1921920^2 + 2882401^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002012011201 - 227 = 12001877793473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002018011201) 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, 4851256650 + ... + 4851259123.

It is an arithmetic number, because the mean of its divisors is an integer number (3002928632053).

Almost surely, 212002012011201 is an apocalyptic number.

It is an amenable number.

12002012011201 is a deficient number, since it is larger than the sum of its proper divisors (9702517011).

12002012011201 is an equidigital number, since it uses as much as digits as its factorization.

12002012011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9702517010.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12002012011201 its reverse (10211021020021), we get a palindrome (22213033031222).

The spelling of 12002012011201 in words is "twelve trillion, two billion, twelve million, eleven thousand, two hundred one".

Divisors: 1 1237 9702515773 12002012011201