Search a number
-
+
12242241220512 = 2531247931021879
BaseRepresentation
bin1011001000100101111001…
…1100000110111110100000
31121100100100211200010100110
42302021132130012332200
53101034102223024022
642012001420051320
72402321102266632
oct262113634067640
947310324603313
1012242241220512
11399a9a60181a6
121458765993b40
136aa5911c5ba4
14304755b98a52
151636ae9dc00c
hexb225e706fa0

12242241220512 has 48 divisors (see below), whose sum is σ = 32136172165440. Its totient is φ = 4080710380032.

The previous prime is 12242241220463. The next prime is 12242241220523. The reversal of 12242241220512 is 21502214224221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 12242241220512.

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, 11469189 + ... + 12491067.

It is an arithmetic number, because the mean of its divisors is an integer number (669503586780).

Almost surely, 212242241220512 is an apocalyptic number.

12242241220512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12242241220512 is an abundant number, since it is smaller than the sum of its proper divisors (19893930944928).

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

12242241220512 is a wasteful number, since it uses less digits than its factorization.

12242241220512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146685 (or 1146677 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 12242241220512 its reverse (21502214224221), we get a palindrome (33744455444733).

The spelling of 12242241220512 in words is "twelve trillion, two hundred forty-two billion, two hundred forty-one million, two hundred twenty thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 124793 249586 374379 499172 748758 998344 1021879 1497516 1996688 2043758 2995032 3065637 3993376 4087516 5990064 6131274 8175032 11980128 12262548 16350064 24525096 32700128 49050192 98100384 127523346047 255046692094 382570038141 510093384188 765140076282 1020186768376 1530280152564 2040373536752 3060560305128 4080747073504 6121120610256 12242241220512