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212112121211214 = 237231072052128647
BaseRepresentation
bin110000001110101000110011…
…101000110010100101001110
31000211000201110102112211111020
4300032220303220302211032
5210300221111012224324
62031042544022135010
762451411046026660
oct6016506350624516
91024021412484436
10212112121211214
1161649277743684
121b958900281466
139148119782013
143a543d23d4530
15197c7ca40e679
hexc0ea33a3294e

212112121211214 has 64 divisors (see below), whose sum is σ = 510635275739136. Its totient is φ = 57426768029664.

The previous prime is 212112121211183. The next prime is 212112121211233. The reversal of 212112121211214 is 412112121211212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1025960962 + ... + 1026167685.

It is an arithmetic number, because the mean of its divisors is an integer number (7978676183424).

Almost surely, 2212112121211214 is an apocalyptic number.

212112121211214 is an abundant number, since it is smaller than the sum of its proper divisors (298523154527922).

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

212112121211214 is a wasteful number, since it uses less digits than its factorization.

212112121211214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052128789.

The product of its digits is 256, while the sum is 24.

Adding to 212112121211214 its reverse (412112121211212), we get a palindrome (624224242422426).

The spelling of 212112121211214 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 107 138 161 214 321 322 483 642 749 966 1498 2247 2461 4494 4922 7383 14766 17227 34454 51681 103362 2052128647 4104257294 6156385941 12312771882 14364900529 28729801058 43094701587 47198958881 86189403174 94397917762 141596876643 219577765229 283193753286 330392712167 439155530458 658733295687 660785424334 991178136501 1317466591374 1537044356603 1982356273002 3074088713206 4611133069809 5050288600267 9222266139618 10100577200534 15150865800801 30301731601602 35352020201869 70704040403738 106056060605607 212112121211214