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11212020201212 = 2215118562947353
BaseRepresentation
bin1010001100101000000001…
…1110110011011011111100
31110200212011222001212000022
42203022000132303123330
52432144204132414322
635502421520151312
72235020212151615
oct243120036633374
943625158055008
1011212020201212
113632a9a11a1a6
121310b6aa68538
1363439ab2b90c
142aa943c12c0c
151469b503e942
hexa32807b36fc

11212020201212 has 12 divisors (see below), whose sum is σ = 19750975984656. Its totient is φ = 5568884205600.

The previous prime is 11212020201199. The next prime is 11212020201223. The reversal of 11212020201212 is 21210202021211.

11212020201212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9281473073 + ... + 9281474280.

It is an arithmetic number, because the mean of its divisors is an integer number (1645914665388).

Almost surely, 211212020201212 is an apocalyptic number.

It is an amenable number.

11212020201212 is a deficient number, since it is larger than the sum of its proper divisors (8538955783444).

11212020201212 is a wasteful number, since it uses less digits than its factorization.

11212020201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18562947508 (or 18562947506 counting only the distinct ones).

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

Adding to 11212020201212 its reverse (21210202021211), we get a palindrome (32422222222423).

The spelling of 11212020201212 in words is "eleven trillion, two hundred twelve billion, twenty million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 151 302 604 18562947353 37125894706 74251789412 2803005050303 5606010100606 11212020201212