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1211210200212 = 223175937304903
BaseRepresentation
bin10001101000000001110…
…000001111010010010100
311021210100022200021200220
4101220001300033102110
5124321024302401322
62324231114034340
7153335626555335
oct21500160172224
94253308607626
101211210200212
11427742644471
121768a7a189b0
138a2a7c2b37c
14428a12b428c
152178de4b55c
hex11a01c0f494

1211210200212 has 24 divisors (see below), whose sum is σ = 2992401671616. Its totient is φ = 379987513728.

The previous prime is 1211210200201. The next prime is 1211210200313. The reversal of 1211210200212 is 2120020121121.

It is a junction number, because it is equal to n+sod(n) for n = 1211210200191 and 1211210200200.

It is a congruent number.

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, 2968652248 + ... + 2968652655.

It is an arithmetic number, because the mean of its divisors is an integer number (124683402984).

Almost surely, 21211210200212 is an apocalyptic number.

1211210200212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211210200212 is an abundant number, since it is smaller than the sum of its proper divisors (1781191471404).

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

1211210200212 is a wasteful number, since it uses less digits than its factorization.

1211210200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937304927 (or 5937304925 counting only the distinct ones).

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

Adding to 1211210200212 its reverse (2120020121121), we get a palindrome (3331230321333).

The spelling of 1211210200212 in words is "one trillion, two hundred eleven billion, two hundred ten million, two hundred thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 5937304903 11874609806 17811914709 23749219612 35623829418 71247658836 100934183351 201868366702 302802550053 403736733404 605605100106 1211210200212