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12112210200221 = 41429016886081
BaseRepresentation
bin1011000001000001011111…
…1111001000011010011101
31120212220201202100212212222
42300100113333020122131
53041421301302401341
641432134512035125
72360035600664255
oct260202777103235
946786652325788
1012112210200221
11394a83999106a
121437516832aa5
1369b23aa7cb71
142dc33c536965
151600ee09c44b
hexb0417fc869d

12112210200221 has 8 divisors (see below), whose sum is σ = 12407920978488. Its totient is φ = 11816513280000.

The previous prime is 12112210200109. The next prime is 12112210200227. The reversal of 12112210200221 is 12200201221121.

12112210200221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 541123543321 + 11571086656900 = 735611^2 + 3401630^2 .

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 12112210200221 - 210 = 12112210199197 is a prime.

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 12112210200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112210200227) 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, 1684100 + ... + 5201981.

It is an arithmetic number, because the mean of its divisors is an integer number (1550990122311).

Almost surely, 212112210200221 is an apocalyptic number.

It is an amenable number.

12112210200221 is a deficient number, since it is larger than the sum of its proper divisors (295710778267).

12112210200221 is an equidigital number, since it uses as much as digits as its factorization.

12112210200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929023.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12112210200221 its reverse (12200201221121), we get a palindrome (24312411421342).

The spelling of 12112210200221 in words is "twelve trillion, one hundred twelve billion, two hundred ten million, two hundred thousand, two hundred twenty-one".

Divisors: 1 41 42901 1758941 6886081 282329321 295419760981 12112210200221