Search a number
-
+
12112202222001 = 3272199138016639
BaseRepresentation
bin1011000001000001011110…
…0000101100100110110001
31120212220201012100112211100
42300100113200230212301
53041421242232101001
641432134025035013
72360035443115200
oct260202740544661
946786635315740
1012112202222001
11394a8354319a2
121437514025a69
1369b23921861b
142dc33b45b237
151600ed523586
hexb041782c9b1

12112202222001 has 36 divisors (see below), whose sum is σ = 20454066048000. Its totient is φ = 6886478169648.

The previous prime is 12112202221997. The next prime is 12112202222017. The reversal of 12112202222001 is 10022220221121.

It is a happy number.

12112202222001 is a `hidden beast` number, since 1 + 21 + 1 + 220 + 222 + 200 + 1 = 666.

It is not a de Polignac number, because 12112202222001 - 22 = 12112202221997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12112202222501) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68920561 + ... + 69096078.

Almost surely, 212112202222001 is an apocalyptic number.

It is an amenable number.

12112202222001 is a deficient number, since it is larger than the sum of its proper divisors (8341863825999).

12112202222001 is a wasteful number, since it uses less digits than its factorization.

12112202222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138016858 (or 138016848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12112202222001 its reverse (10022220221121), we get a palindrome (22134422443122).

The spelling of 12112202222001 in words is "twelve trillion, one hundred twelve billion, two hundred two million, two hundred twenty-two thousand, one".

Divisors: 1 3 7 9 21 49 63 147 199 441 597 1393 1791 4179 9751 12537 29253 87759 138016639 414049917 966116473 1242149751 2898349419 6762815311 8695048257 20288445933 27465311161 60865337799 82395933483 192257178127 247187800449 576771534381 1345800246889 1730314603143 4037400740667 12112202222001