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12122102211 = 37435438359
BaseRepresentation
bin10110100101000100…
…01001100111000011
31011021210212121002120
423102202021213003
5144311224232321
65322510415323
7606253111602
oct132242114703
934253777076
1012122102211
11516067989a
122423801543
1311b254655b
1482dd23a39
154ae33dec6
hex2d28899c3

12122102211 has 8 divisors (see below), whose sum is σ = 16184559360. Its totient is φ = 8070523272.

The previous prime is 12122102203. The next prime is 12122102221. The reversal of 12122102211 is 11220122121.

Adding to 12122102211 its reverse (11220122121), we get a palindrome (23342224332).

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

It is not a de Polignac number, because 12122102211 - 23 = 12122102203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122102221) 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, 2716951 + ... + 2721408.

It is an arithmetic number, because the mean of its divisors is an integer number (2023069920).

Almost surely, 212122102211 is an apocalyptic number.

12122102211 is a deficient number, since it is larger than the sum of its proper divisors (4062457149).

12122102211 is an equidigital number, since it uses as much as digits as its factorization.

12122102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439105.

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

The spelling of 12122102211 in words is "twelve billion, one hundred twenty-two million, one hundred two thousand, two hundred eleven".

Divisors: 1 3 743 2229 5438359 16315077 4040700737 12122102211