Search a number
-
+
12012132030312 = 233500505501263
BaseRepresentation
bin1010111011001100101011…
…0111001101011101101000
31120112100102010122002200110
42232303022313031131220
53033301321244432222
641314144113334320
72346563554404201
oct256631267153550
946470363562613
1012012132030312
113911353414837
1214200468673a0
1369197c00104b
142d7566d685a8
1515c6e307130c
hexaeccadcd768

12012132030312 has 16 divisors (see below), whose sum is σ = 30030330075840. Its totient is φ = 4004044010096.

The previous prime is 12012132030259. The next prime is 12012132030331. The reversal of 12012132030312 is 21303023121021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250252750608 + ... + 250252750655.

It is an arithmetic number, because the mean of its divisors is an integer number (1876895629740).

Almost surely, 212012132030312 is an apocalyptic number.

12012132030312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012132030312 is an abundant number, since it is smaller than the sum of its proper divisors (18018198045528).

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

12012132030312 is a wasteful number, since it uses less digits than its factorization.

12012132030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500505501272 (or 500505501268 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12012132030312 its reverse (21303023121021), we get a palindrome (33315155151333).

The spelling of 12012132030312 in words is "twelve trillion, twelve billion, one hundred thirty-two million, thirty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 500505501263 1001011002526 1501516503789 2002022005052 3003033007578 4004044010104 6006066015156 12012132030312