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11212012233212 = 2272163350945669
BaseRepresentation
bin1010001100101000000000…
…0000011010000111111100
31110200212011102002000222012
42203022000000122013330
52432144200112430322
635502421033310352
72235020054344400
oct243120000320774
943625142060865
1011212012233212
113632a9567777a
121310b682653b8
1363439929bc1b
142aa942b3b100
151469b44b8ae2
hexa328001a1fc

11212012233212 has 36 divisors (see below), whose sum is σ = 22964480862120. Its totient is φ = 4775668650144.

The previous prime is 11212012233199. The next prime is 11212012233223. The reversal of 11212012233212 is 21233221021211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175440887 + ... + 175504782.

It is an arithmetic number, because the mean of its divisors is an integer number (637902246170).

Almost surely, 211212012233212 is an apocalyptic number.

It is an amenable number.

11212012233212 is an abundant number, since it is smaller than the sum of its proper divisors (11752468628908).

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

11212012233212 is a wasteful number, since it uses less digits than its factorization.

11212012233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350945850 (or 350945841 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11212012233212 its reverse (21233221021211), we get a palindrome (32445233254423).

The spelling of 11212012233212 in words is "eleven trillion, two hundred twelve billion, twelve million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 163 196 326 652 1141 2282 4564 7987 15974 31948 350945669 701891338 1403782676 2456619683 4913239366 9826478732 17196337781 34392675562 57204144047 68785351124 114408288094 228816576188 400429008329 800858016658 1601716033316 2803003058303 5606006116606 11212012233212