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12020210200 = 235260101051
BaseRepresentation
bin10110011000111010…
…11101101000011000
31011000201010221112101
423030131131220120
5144104133211300
65304430453144
7603605046415
oct131435355030
934021127471
1012020210200
115109105919
1223b56641b4
1311973bc81b
1482059d10c
154a5413b6a
hex2cc75da18

12020210200 has 24 divisors (see below), whose sum is σ = 27946989180. Its totient is φ = 4808084000.

The previous prime is 12020210183. The next prime is 12020210201. The reversal of 12020210200 is 201202021.

12020210200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020210201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30050326 + ... + 30050725.

Almost surely, 212020210200 is an apocalyptic number.

12020210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020210200 is an abundant number, since it is smaller than the sum of its proper divisors (15926778980).

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

12020210200 is a wasteful number, since it uses less digits than its factorization.

12020210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60101067 (or 60101058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12020210200 its reverse (201202021), we get a palindrome (12221412221).

The spelling of 12020210200 in words is "twelve billion, twenty million, two hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 60101051 120202102 240404204 300505255 480808408 601010510 1202021020 1502526275 2404042040 3005052550 6010105100 12020210200