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12210233201221 = 113626330610297
BaseRepresentation
bin1011000110101110101010…
…0111001101001001000101
31121020021202010221021100111
42301223222213031021011
53100023024144414341
641545145333113021
72400105650516266
oct261535247151105
947207663837314
1012210233201221
11398837035a5a0
121452512488771
136a755cb095c3
14302d9aba896d
15162939969681
hexb1aea9cd245

12210233201221 has 8 divisors (see below), whose sum is σ = 13320622160064. Its totient is φ = 11099905535520.

The previous prime is 12210233201197. The next prime is 12210233201227.

12210233201221 is nontrivially palindromic in base 10.

12210233201221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12210233201221 - 213 = 12210233193029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210233201192 and 12210233201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210233201227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14906256 + ... + 15704041.

It is an arithmetic number, because the mean of its divisors is an integer number (1665077770008).

Almost surely, 212210233201221 is an apocalyptic number.

12210233201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12210233201221 is a deficient number, since it is larger than the sum of its proper divisors (1110388958843).

12210233201221 is a wasteful number, since it uses less digits than its factorization.

12210233201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30646571.

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 1221023 and 3201221, that added together give a palindrome (4422244).

The spelling of 12210233201221 in words is "twelve trillion, two hundred ten billion, two hundred thirty-three million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 11 36263 398893 30610297 336713267 1110021200111 12210233201221