Search a number
-
+
12331012222 = 229373569983
BaseRepresentation
bin10110111101111110…
…00101000001111110
31011211100222022202101
423132333011001332
5200223214342342
65355332215314
7614400605644
oct133677050176
934740868671
1012331012222
115258597aa1
12248176a53a
131216900249
1484d985194
154c28583b7
hex2defc507e

12331012222 has 16 divisors (see below), whose sum is σ = 19185661440. Its totient is φ = 5936932512.

The previous prime is 12331012181. The next prime is 12331012223. The reversal of 12331012222 is 22221013321.

It is a super-2 number, since 2×123310122222 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12331012222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331012223) 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, 263358 + ... + 306625.

It is an arithmetic number, because the mean of its divisors is an integer number (1199103840).

Almost surely, 212331012222 is an apocalyptic number.

12331012222 is a deficient number, since it is larger than the sum of its proper divisors (6854649218).

12331012222 is a wasteful number, since it uses less digits than its factorization.

12331012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570387.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12331012222 its reverse (22221013321), we get a palindrome (34552025543).

The spelling of 12331012222 in words is "twelve billion, three hundred thirty-one million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 29 58 373 746 10817 21634 569983 1139966 16529507 33059014 212603659 425207318 6165506111 12331012222