Search a number
-
+
12303131320212 = 2232934997012393
BaseRepresentation
bin1011001100001000101111…
…0001011001111110010100
31121120011112101010200100020
42303002023301121332110
53103033303104221322
642055551442145140
72406605030510325
oct263021361317624
947504471120306
1012303131320212
113a13801985347
1214685199521b0
136b3246191395
1430769094c44c
1516507546305c
hexb308bc59f94

12303131320212 has 48 divisors (see below), whose sum is σ = 28863013704000. Its totient is φ = 4078855980288.

The previous prime is 12303131320147. The next prime is 12303131320213. The reversal of 12303131320212 is 21202313130321.

12303131320212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303131320213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1751713 + ... + 5260680.

It is an arithmetic number, because the mean of its divisors is an integer number (601312785500).

Almost surely, 212303131320212 is an apocalyptic number.

12303131320212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12303131320212 is an abundant number, since it is smaller than the sum of its proper divisors (16559882383788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12303131320212 is a wasteful number, since it uses less digits than its factorization.

12303131320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013192 (or 7013190 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12303131320212 its reverse (21202313130321), we get a palindrome (33505444450533).

The spelling of 12303131320212 in words is "twelve trillion, three hundred three billion, one hundred thirty-one million, three hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 293 499 586 879 998 1172 1497 1758 1996 2994 3516 5988 146207 292414 438621 584828 877242 1754484 7012393 14024786 21037179 28049572 42074358 84148716 2054631149 3499184107 4109262298 6163893447 6998368214 8218524596 10497552321 12327786894 13996736428 20995104642 24655573788 41990209284 1025260943351 2050521886702 3075782830053 4101043773404 6151565660106 12303131320212