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12122140311 = 321346904479
BaseRepresentation
bin10110100101000100…
…10010111010010111
31011021210221112100200
423102202102322113
5144311231442221
65322511311543
7606253330641
oct132242227227
934253845320
1012122140311
1151606a5486
12242381b5b3
1311b255a9b8
1482dd33891
154ae34a426
hex2d2892e97

12122140311 has 6 divisors (see below), whose sum is σ = 17509758240. Its totient is φ = 8081426868.

The previous prime is 12122140307. The next prime is 12122140321. The reversal of 12122140311 is 11304122121.

12122140311 is a `hidden beast` number, since 1 + 212 + 2 + 140 + 311 = 666.

12122140311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12122140311 - 22 = 12122140307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122140321) 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 5 ways as a sum of consecutive naturals, for example, 673452231 + ... + 673452248.

It is an arithmetic number, because the mean of its divisors is an integer number (2918293040).

Almost surely, 212122140311 is an apocalyptic number.

12122140311 is a deficient number, since it is larger than the sum of its proper divisors (5387617929).

12122140311 is a wasteful number, since it uses less digits than its factorization.

12122140311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346904485 (or 1346904482 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12122140311 its reverse (11304122121), we get a palindrome (23426262432).

The spelling of 12122140311 in words is "twelve billion, one hundred twenty-two million, one hundred forty thousand, three hundred eleven".

Divisors: 1 3 9 1346904479 4040713437 12122140311