Search a number
-
+
12222111201 = 319138954833
BaseRepresentation
bin10110110000111111…
…01001110111100001
31011112210001120122020
423120133221313201
5200012330024301
65340442132053
7611606142156
oct133037516741
934483046566
1012222111201
115202077053
1224511b1029
1311ca191181
1483d31822d
154b7ee6436
hex2d87e9de1

12222111201 has 16 divisors (see below), whose sum is σ = 16423879680. Its totient is φ = 8084430080.

The previous prime is 12222111191. The next prime is 12222111211. The reversal of 12222111201 is 10211122221.

It is an interprime number because it is at equal distance from previous prime (12222111191) and next prime (12222111211).

It is a cyclic number.

It is not a de Polignac number, because 12222111201 - 29 = 12222110689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12222111211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195481 + ... + 250313.

It is an arithmetic number, because the mean of its divisors is an integer number (1026492480).

Almost surely, 212222111201 is an apocalyptic number.

It is an amenable number.

12222111201 is a deficient number, since it is larger than the sum of its proper divisors (4201768479).

12222111201 is a wasteful number, since it uses less digits than its factorization.

12222111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55416.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12222111201 its reverse (10211122221), we get a palindrome (22433233422).

The spelling of 12222111201 in words is "twelve billion, two hundred twenty-two million, one hundred eleven thousand, two hundred one".

Divisors: 1 3 191 389 573 1167 54833 74299 164499 222897 10473103 21330037 31419309 63990111 4074037067 12222111201