Search a number
-
+
12020020222012 = 22111059725779209
BaseRepresentation
bin1010111011101010000100…
…0010010001100000111100
31120120002202212122202102121
42232322201002101200330
53033414000134101022
641321530540532324
72350263210051505
oct256724102214074
946502685582377
1012020020222012
113914731065a30
1214216885510a4
136926383279ba
142d7ab4849bac
1515ca058332c7
hexaeea109183c

12020020222012 has 24 divisors (see below), whose sum is σ = 22949477676720. Its totient is φ = 5463129759360.

The previous prime is 12020020221991. The next prime is 12020020222039. The reversal of 12020020222012 is 21022202002021.

It is a super-2 number, since 2×120200202220122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12423337 + ... + 13355872.

It is an arithmetic number, because the mean of its divisors is an integer number (956228236530).

Almost surely, 212020020222012 is an apocalyptic number.

It is an amenable number.

12020020222012 is a deficient number, since it is larger than the sum of its proper divisors (10929457454708).

12020020222012 is a wasteful number, since it uses less digits than its factorization.

12020020222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25789821 (or 25789819 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12020020222012 its reverse (21022202002021), we get a palindrome (33042222224033).

The spelling of 12020020222012 in words is "twelve trillion, twenty billion, twenty million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 11 22 44 10597 21194 42388 116567 233134 466268 25779209 51558418 103116836 283571299 567142598 1134285196 273182277773 546364555546 1092729111092 3005005055503 6010010111006 12020020222012