Search a number
-
+
12020122202101 = 13236129310212203
BaseRepresentation
bin1010111011101010011100…
…0111010010111111110101
31120120010000222112212210221
42232322213013102333311
53033414202240431401
641321545022414341
72350265555631526
oct256724707227765
946503028485727
1012020122202101
11391478368a0a2
1214216b67313b1
136926534b2850
142d7ac41d484d
1515ca0e7797a1
hexaeea71d2ff5

12020122202101 has 64 divisors (see below), whose sum is σ = 13795606024704. Its totient is φ = 10388563891200.

The previous prime is 12020122202071. The next prime is 12020122202111. The reversal of 12020122202101 is 10120222102021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12020122202101 - 213 = 12020122193909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020122202111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5456250466 + ... + 5456252668.

It is an arithmetic number, because the mean of its divisors is an integer number (215556344136).

Almost surely, 212020122202101 is an apocalyptic number.

It is an amenable number.

12020122202101 is a deficient number, since it is larger than the sum of its proper divisors (1775483822603).

12020122202101 is a wasteful number, since it uses less digits than its factorization.

12020122202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12020122202101 its reverse (10120222102021), we get a palindrome (22140344304122).

The spelling of 12020122202101 in words is "twelve trillion, twenty billion, one hundred twenty-two million, two hundred two thousand, one hundred one".

Divisors: 1 13 23 61 293 299 793 1021 1403 2203 3809 6739 13273 17873 18239 23483 28639 50669 62281 87607 134383 232349 299153 305279 411079 645479 658697 809653 1432463 1746979 2249263 3090809 3888989 5344027 6880519 8391227 14846017 18248333 18622019 29240419 39374219 40180517 51733049 89446747 137205043 192998221 237228329 419711659 511864847 659034059 672529637 905607037 1783665559 3155715989 5456251567 8567442767 11772891481 15157783357 40201077599 41024307857 197051183641 522614008787 924624784777 12020122202101