Search a number
-
+
12122211201 = 331130346357
BaseRepresentation
bin10110100101000101…
…00100001110000001
31011021211002010121020
423102202210032001
5144311241224301
65322513020053
7606254044422
oct132242441601
934254063536
1012122211201
115160743771
122423854629
1311b2584049
1482dd51649
154ae361436
hex2d28a4381

12122211201 has 8 divisors (see below), whose sum is σ = 16684333824. Its totient is φ = 7820781360.

The previous prime is 12122211187. The next prime is 12122211217. The reversal of 12122211201 is 10211222121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12122211201 - 26 = 12122211137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65173086 + ... + 65173271.

It is an arithmetic number, because the mean of its divisors is an integer number (2085541728).

Almost surely, 212122211201 is an apocalyptic number.

It is an amenable number.

12122211201 is a deficient number, since it is larger than the sum of its proper divisors (4562122623).

12122211201 is a wasteful number, since it uses less digits than its factorization.

12122211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130346391.

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

Adding to 12122211201 its reverse (10211222121), we get a palindrome (22333433322).

The spelling of 12122211201 in words is "twelve billion, one hundred twenty-two million, two hundred eleven thousand, two hundred one".

Divisors: 1 3 31 93 130346357 391039071 4040737067 12122211201