Search a number
-
+
12201210120201 = 34067070040067
BaseRepresentation
bin1011000110001101000011…
…0010111000100000001001
31121012102110022102021010120
42301203100302320200021
53044401034242321301
641541054125133453
72366336234554524
oct261432062704011
947172408367116
1012201210120201
113984560034243
1214508146ba289
136a67526376cb
143027826a5bbb
151625ac72de36
hexb18d0cb8809

12201210120201 has 4 divisors (see below), whose sum is σ = 16268280160272. Its totient is φ = 8134140080132.

The previous prime is 12201210120199. The next prime is 12201210120233. The reversal of 12201210120201 is 10202101210221.

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 12201210120201 - 21 = 12201210120199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201210122201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033535020031 + ... + 2033535020036.

It is an arithmetic number, because the mean of its divisors is an integer number (4067070040068).

Almost surely, 212201210120201 is an apocalyptic number.

It is an amenable number.

12201210120201 is a deficient number, since it is larger than the sum of its proper divisors (4067070040071).

12201210120201 is an equidigital number, since it uses as much as digits as its factorization.

12201210120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067070040070.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201210120201 its reverse (10202101210221), we get a palindrome (22403311330422).

The spelling of 12201210120201 in words is "twelve trillion, two hundred one billion, two hundred ten million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 4067070040067 12201210120201