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2231210200212 = 2232717520824043
BaseRepresentation
bin100000011101111110011…
…111011100110010010100
321220022010212121222102200
4200131332133130302110
5243024004302401322
64425000454004500
7320125316531310
oct40357637346224
97808125558380
102231210200212
11790283a99384
1230050b946730
1313252c8a1826
1479dc3a02b40
153d08b42d8ac
hex2077e7dcc94

2231210200212 has 72 divisors (see below), whose sum is σ = 6824878272576. Its totient is φ = 599989296384.

The previous prime is 2231210200187. The next prime is 2231210200253. The reversal of 2231210200212 is 2120020121322.

2231210200212 is a `hidden beast` number, since 2 + 231 + 21 + 0 + 200 + 212 = 666.

It is a super-3 number, since 3×22312102002123 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260407738 + ... + 260416305.

It is an arithmetic number, because the mean of its divisors is an integer number (94789976008).

Almost surely, 22231210200212 is an apocalyptic number.

It is an amenable number.

2231210200212 is an abundant number, since it is smaller than the sum of its proper divisors (4593668072364).

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

2231210200212 is a wasteful number, since it uses less digits than its factorization.

2231210200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520824077 (or 520824072 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2231210200212 its reverse (2120020121322), we get a palindrome (4351230321534).

The spelling of 2231210200212 in words is "two trillion, two hundred thirty-one billion, two hundred ten million, two hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 84 102 119 126 153 204 238 252 306 357 476 612 714 1071 1428 2142 4284 520824043 1041648086 1562472129 2083296172 3124944258 3645768301 4687416387 6249888516 7291536602 8854008731 9374832774 10937304903 14583073204 17708017462 18749665548 21874609806 26562026193 32811914709 35416034924 43749219612 53124052386 61978061117 65623829418 79686078579 106248104772 123956122234 131247658836 159372157158 185934183351 247912244468 318744314316 371868366702 557802550053 743736733404 1115605100106 2231210200212