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12010011212 = 229283323441
BaseRepresentation
bin10110010111101101…
…00011101001001100
31010222222221210011002
423023312203221030
5144044030324322
65303424115432
7603422260643
oct131366435114
933888853132
1012010011212
11510337a201
1223b2165b78
13119525b514
1481d0a635a
154a459bc92
hex2cbda3a4c

12010011212 has 12 divisors (see below), whose sum is σ = 21019848696. Its totient is φ = 6004340160.

The previous prime is 12010011197. The next prime is 12010011217. The reversal of 12010011212 is 21211001021.

It is a junction number, because it is equal to n+sod(n) for n = 12010011193 and 12010011202.

It is not an unprimeable number, because it can be changed into a prime (12010011217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124589 + ... + 198852.

It is an arithmetic number, because the mean of its divisors is an integer number (1751654058).

Almost surely, 212010011212 is an apocalyptic number.

It is an amenable number.

12010011212 is a deficient number, since it is larger than the sum of its proper divisors (9009837484).

12010011212 is a wasteful number, since it uses less digits than its factorization.

12010011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332728 (or 332726 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010011212 its reverse (21211001021), we get a palindrome (33221012233).

The spelling of 12010011212 in words is "twelve billion, ten million, eleven thousand, two hundred twelve".

Divisors: 1 2 4 9283 18566 37132 323441 646882 1293764 3002502803 6005005606 12010011212