Search a number
-
+
12120012122120 = 235743285757579
BaseRepresentation
bin1011000001011110100100…
…0001000110100000001000
31120220122212111001120201022
42300113221001012200020
53042033241100401440
641435505014212012
72360433125143250
oct260275101064010
946818774046638
1012120012122120
113953082969501
121438b33654008
1369bbb225c6b6
142dc87c79c960
15160408ebccb5
hexb05e9046808

12120012122120 has 32 divisors (see below), whose sum is σ = 31165745457600. Its totient is φ = 4155432727488.

The previous prime is 12120012122089. The next prime is 12120012122173. The reversal of 12120012122120 is 2122121002121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21642878510 + ... + 21642879069.

It is an arithmetic number, because the mean of its divisors is an integer number (973929545550).

Almost surely, 212120012122120 is an apocalyptic number.

12120012122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120012122120 is an abundant number, since it is smaller than the sum of its proper divisors (19045733335480).

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

12120012122120 is a wasteful number, since it uses less digits than its factorization.

12120012122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43285757597 (or 43285757593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12120012122120 its reverse (2122121002121), we get a palindrome (14242133124241).

The spelling of 12120012122120 in words is "twelve trillion, one hundred twenty billion, twelve million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 43285757579 86571515158 173143030316 216428787895 303000303053 346286060632 432857575790 606000606106 865715151580 1212001212212 1515001515265 1731430303160 2424002424424 3030003030530 6060006061060 12120012122120