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12103102200 = 23352726310957
BaseRepresentation
bin10110100010110011…
…01010111011111000
31011020111010021222110
423101121222323320
5144241343232300
65320551252320
7605632446150
oct132131527370
934214107873
1012103102200
115150981902
12241937a0a0
1311ab623347
1482b5b9760
154ac839550
hex2d166aef8

12103102200 has 192 divisors, whose sum is σ = 43046530560. Its totient is φ = 2755653120.

The previous prime is 12103102177. The next prime is 12103102229. The reversal of 12103102200 is 220130121.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 47 ways as a sum of consecutive naturals, for example, 1099122 + ... + 1110078.

It is an arithmetic number, because the mean of its divisors is an integer number (224200680).

Almost surely, 212103102200 is an apocalyptic number.

12103102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12103102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21523265280).

12103102200 is an abundant number, since it is smaller than the sum of its proper divisors (30943428360).

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

12103102200 is a wasteful number, since it uses less digits than its factorization.

12103102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11246 (or 11237 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12103102200 its reverse (220130121), we get a palindrome (12323232321).

The spelling of 12103102200 in words is "twelve billion, one hundred three million, one hundred two thousand, two hundred".