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12211301233 = 311207132633
BaseRepresentation
bin10110101111101100…
…11010101101110001
31011112000201101011001
423113312122231301
5200002043114413
65335414322001
7611415230215
oct132766325561
934460641131
1012211301233
1151a6a6339a
122449659301
1311c7b77a41
1483bb02945
154b70ad4dd
hex2d7d9ab71

12211301233 has 8 divisors (see below), whose sum is σ = 12606644736. Its totient is φ = 11816047200.

The previous prime is 12211301231. The next prime is 12211301251. The reversal of 12211301233 is 33210311221.

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

It is a cyclic number.

It is not a de Polignac number, because 12211301233 - 21 = 12211301231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12211301233.

It is not an unprimeable number, because it can be changed into a prime (12211301231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357885 + ... + 390517.

It is an arithmetic number, because the mean of its divisors is an integer number (1575830592).

Almost surely, 212211301233 is an apocalyptic number.

It is an amenable number.

12211301233 is a deficient number, since it is larger than the sum of its proper divisors (395343503).

12211301233 is a wasteful number, since it uses less digits than its factorization.

12211301233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44735.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12211301233 its reverse (33210311221), we get a palindrome (45421612454).

The spelling of 12211301233 in words is "twelve billion, two hundred eleven million, three hundred one thousand, two hundred thirty-three".

Divisors: 1 31 12071 32633 374201 1011623 393912943 12211301233