Search a number
-
+
12012212102210 = 251963222168959
BaseRepresentation
bin1010111011001100111110…
…1000101010010001000010
31120112100121201022011200022
42232303033220222101002
53033302002244232320
641314200053453442
72346565546120025
oct256631750522102
946470551264608
1012012212102210
113911394634a61
121420069641282
13691992788078
142d757384d1bc
1515c6ea0db325
hexaeccfa2a442

12012212102210 has 16 divisors (see below), whose sum is σ = 22759980825600. Its totient is φ = 4551996164976.

The previous prime is 12012212102207. The next prime is 12012212102251. The reversal of 12012212102210 is 1220121221021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31611084290 + ... + 31611084669.

It is an arithmetic number, because the mean of its divisors is an integer number (1422498801600).

Almost surely, 212012212102210 is an apocalyptic number.

12012212102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012212102210 is a deficient number, since it is larger than the sum of its proper divisors (10747768723390).

12012212102210 is a wasteful number, since it uses less digits than its factorization.

12012212102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63222168985.

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

Adding to 12012212102210 its reverse (1220121221021), we get a palindrome (13232333323231).

The spelling of 12012212102210 in words is "twelve trillion, twelve billion, two hundred twelve million, one hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 19 38 95 190 63222168959 126444337918 316110844795 632221689590 1201221210221 2402442420442 6006106051105 12012212102210