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12122202102 = 238922700753
BaseRepresentation
bin10110100101000101…
…00001111111110110
31011021211001200010020
423102202201333312
5144311240431402
65322512510010
7606254006043
oct132242417766
934254050106
1012122202102
11516073794a
12242384b306
1311b257cb6a
1482dd4c1ca
154ae35d8bc
hex2d28a1ff6

12122202102 has 16 divisors (see below), whose sum is σ = 24516814320. Its totient is φ = 3995332352.

The previous prime is 12122202091. The next prime is 12122202139. The reversal of 12122202102 is 20120222121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11349843 + ... + 11350910.

It is an arithmetic number, because the mean of its divisors is an integer number (1532300895).

Almost surely, 212122202102 is an apocalyptic number.

12122202102 is an abundant number, since it is smaller than the sum of its proper divisors (12394612218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122202102 is a wasteful number, since it uses less digits than its factorization.

12122202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22700847.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12122202102 its reverse (20120222121), we get a palindrome (32242424223).

The spelling of 12122202102 in words is "twelve billion, one hundred twenty-two million, two hundred two thousand, one hundred two".

Divisors: 1 2 3 6 89 178 267 534 22700753 45401506 68102259 136204518 2020367017 4040734034 6061101051 12122202102