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201210201212210 = 2520121020121221
BaseRepresentation
bin101101101111111111100110…
…100100011000010100110010
3222101102111200212201102221022
4231233333212210120110302
5202333111443002242320
61551534405041255442
760244646234016161
oct5557774644302462
9871374625642838
10201210201212210
1159125849055133
121a697a75334582
13883706b154018
1437988a8ccb3d8
15183de14631325
hexb6ffe6918532

201210201212210 has 8 divisors (see below), whose sum is σ = 362178362181996. Its totient is φ = 80484080484880.

The previous prime is 201210201212203. The next prime is 201210201212239. The reversal of 201210201212210 is 12212102012102.

It can be written as a sum of positive squares in 2 ways, for example, as 196860177691969 + 4350023520241 = 14030687^2 + 2085671^2 .

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

It is a Curzon 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, 10060510060601 + ... + 10060510060620.

Almost surely, 2201210201212210 is an apocalyptic number.

201210201212210 is a deficient number, since it is larger than the sum of its proper divisors (160968160969786).

201210201212210 is a wasteful number, since it uses less digits than its factorization.

201210201212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121020121228.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201210201212210 its reverse (12212102012102), we get a palindrome (213422303224312).

The spelling of 201210201212210 in words is "two hundred one trillion, two hundred ten billion, two hundred one million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 20121020121221 40242040242442 100605100606105 201210201212210