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12110340221 = 712491385147
BaseRepresentation
bin10110100011101010…
…10010000001111101
31011020222202000200022
423101311102001331
5144300221341341
65321410341525
7606051123230
oct132165220175
934228660608
1012110340221
115154a75941
12241b88a8a5
1311acc889b5
1482c541417
154ad2b8e4b
hex2d1d5207d

12110340221 has 8 divisors (see below), whose sum is σ = 13851480000. Its totient is φ = 10371973248.

The previous prime is 12110340181. The next prime is 12110340323. The reversal of 12110340221 is 12204301121.

12110340221 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 not a de Polignac number, because 12110340221 - 222 = 12106145917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12110340221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110340721) 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 7 ways as a sum of consecutive naturals, for example, 683831 + ... + 701316.

It is an arithmetic number, because the mean of its divisors is an integer number (1731435000).

Almost surely, 212110340221 is an apocalyptic number.

It is an amenable number.

12110340221 is a deficient number, since it is larger than the sum of its proper divisors (1741139779).

12110340221 is a wasteful number, since it uses less digits than its factorization.

12110340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386403.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12110340221 its reverse (12204301121), we get a palindrome (24314641342).

The spelling of 12110340221 in words is "twelve billion, one hundred ten million, three hundred forty thousand, two hundred twenty-one".

Divisors: 1 7 1249 8743 1385147 9696029 1730048603 12110340221