Search a number
-
+
12122111203 = 101563213181
BaseRepresentation
bin10110100101000100…
…01011110011100011
31011021210220001102121
423102202023303203
5144311230024303
65322510525111
7606253150036
oct132242136343
934253801377
1012122111203
115160685624
122423806797
1311b254a687
1482dd2701d
154ae3419bd
hex2d288bce3

12122111203 has 8 divisors (see below), whose sum is σ = 12263934096. Its totient is φ = 11980716000.

The previous prime is 12122111179. The next prime is 12122111219. The reversal of 12122111203 is 30211122121.

12122111203 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 12122111203 - 29 = 12122110691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122111263) 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, 49728 + ... + 163453.

It is an arithmetic number, because the mean of its divisors is an integer number (1532991762).

Almost surely, 212122111203 is an apocalyptic number.

12122111203 is a deficient number, since it is larger than the sum of its proper divisors (141822893).

12122111203 is a wasteful number, since it uses less digits than its factorization.

12122111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213845.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12122111203 its reverse (30211122121), we get a palindrome (42333233324).

The spelling of 12122111203 in words is "twelve billion, one hundred twenty-two million, one hundred eleven thousand, two hundred three".

Divisors: 1 101 563 56863 213181 21531281 120020903 12122111203