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12122222102 = 243313997947
BaseRepresentation
bin10110100101000101…
…00110111000010110
31011021211002200112222
423102202212320112
5144311242101402
65322513142342
7606254121254
oct132242467026
934254080488
1012122222102
115160750981
12242385a9b2
1311b2588cb3
1482dd555d4
154ae3647a2
hex2d28a6e16

12122222102 has 8 divisors (see below), whose sum is σ = 18225328296. Its totient is φ = 6047112672.

The previous prime is 12122222027. The next prime is 12122222117. The reversal of 12122222102 is 20122222121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6998108 + ... + 6999839.

It is an arithmetic number, because the mean of its divisors is an integer number (2278166037).

Almost surely, 212122222102 is an apocalyptic number.

12122222102 is a deficient number, since it is larger than the sum of its proper divisors (6103106194).

12122222102 is a wasteful number, since it uses less digits than its factorization.

12122222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13998382.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12122222102 its reverse (20122222121), we get a palindrome (32244444223).

The spelling of 12122222102 in words is "twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred two".

Divisors: 1 2 433 866 13997947 27995894 6061111051 12122222102