Search a number
-
+
12022212102121 = 13163251112920021
BaseRepresentation
bin1010111011110010001110…
…1011101000011111101001
31120120022102122001210200101
42232330203223220133221
53033432442244231441
641322532240305401
72350401423531514
oct256744353503751
946508378053611
1012022212102121
1139156563499a1
121421b9a612261
136928c7475490
142d7c419b1d7b
1515cad2e99231
hexaef23ae87e9

12022212102121 has 32 divisors (see below), whose sum is σ = 13090562997120. Its totient is φ = 10975124160000.

The previous prime is 12022212102073. The next prime is 12022212102137. The reversal of 12022212102121 is 12120121222021.

It is not a de Polignac number, because 12022212102121 - 221 = 12022210004969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022212108121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 600470091 + ... + 600490111.

It is an arithmetic number, because the mean of its divisors is an integer number (409080093660).

Almost surely, 212022212102121 is an apocalyptic number.

It is an amenable number.

12022212102121 is a deficient number, since it is larger than the sum of its proper divisors (1068350894999).

12022212102121 is a wasteful number, since it uses less digits than its factorization.

12022212102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21577.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12022212102121 its reverse (12120121222021), we get a palindrome (24142333324142).

The spelling of 12022212102121 in words is "twelve trillion, twenty-two billion, two hundred twelve million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 13 163 251 1129 2119 3263 14677 20021 40913 184027 260273 283379 531869 2392351 3263423 3683927 5025271 22603709 42424499 46190777 65328523 293848217 600480101 819119173 3684404567 5673530959 10648549249 47897259371 73755902467 924785546317 12022212102121