Search a number
-
+
201212101200210 = 23595211444748761
BaseRepresentation
bin101101110000000001010111…
…110100010000100101010010
3222101102200121021212211111020
4231300001113310100211102
5202333124340401401320
61551535321352500310
760245044304445612
oct5560012764204522
9871380537784436
10201212101200210
11591266335a2251
121a6983056aa696
1388372b1982289
143798a09390a42
15183dec633a940
hexb70057d10952

201212101200210 has 64 divisors (see below), whose sum is σ = 483003098371584. Its totient is φ = 53646110873600.

The previous prime is 201212101200203. The next prime is 201212101200217. The reversal of 201212101200210 is 12002101212102.

It is an interprime number because it is at equal distance from previous prime (201212101200203) and next prime (201212101200217).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201212101200210.

It is not an unprimeable number, because it can be changed into a prime (201212101200217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4126472230 + ... + 4126520990.

It is an arithmetic number, because the mean of its divisors is an integer number (7546923412056).

Almost surely, 2201212101200210 is an apocalyptic number.

201212101200210 is an abundant number, since it is smaller than the sum of its proper divisors (281790997171374).

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

201212101200210 is a wasteful number, since it uses less digits than its factorization.

201212101200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72739.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201212101200210 its reverse (12002101212102), we get a palindrome (213214202412312).

The spelling of 201212101200210 in words is "two hundred one trillion, two hundred twelve billion, one hundred one million, two hundred thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 9521 14447 19042 28563 28894 43341 47605 48761 57126 72235 86682 95210 97522 142815 144470 146283 216705 243805 285630 292566 433410 487610 731415 1462830 137549887 275099774 412649661 464253481 687749435 704450167 825299322 928506962 1375498870 1392760443 1408900334 2063248305 2113350501 2321267405 2785520886 3522250835 4126496610 4226701002 4642534810 6963802215 7044501670 10566752505 13927604430 21133505010 6707070040007 13414140080014 20121210120021 33535350200035 40242420240042 67070700400070 100606050600105 201212101200210