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12020200210 = 251202020021
BaseRepresentation
bin10110011000111010…
…11011001100010010
31011000201010102211101
423030131123030102
5144104132401320
65304430335014
7603605005324
oct131435331422
934021112741
1012020200210
1151090a9367
1223b565a46a
1311973b8105
14820599614
154a5410c0a
hex2cc75b312

12020200210 has 8 divisors (see below), whose sum is σ = 21636360396. Its totient is φ = 4808080080.

The previous prime is 12020200193. The next prime is 12020200211. The reversal of 12020200210 is 1200202021.

12020200210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9897663169 + 2122537041 = 99487^2 + 46071^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 1202020021 = 12020200210 / (1 + 2 + 0 + 2 + 0 + 2 + 0 + 0 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (12020200211) 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 3 ways as a sum of consecutive naturals, for example, 601010001 + ... + 601010020.

Almost surely, 212020200210 is an apocalyptic number.

12020200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020200210 is a deficient number, since it is larger than the sum of its proper divisors (9616160186).

12020200210 is a wasteful number, since it uses less digits than its factorization.

12020200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202020028.

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

Adding to 12020200210 its reverse (1200202021), we get a palindrome (13220402231).

The spelling of 12020200210 in words is "twelve billion, twenty million, two hundred thousand, two hundred ten".

Divisors: 1 2 5 10 1202020021 2404040042 6010100105 12020200210