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12010112212 = 227428932579
BaseRepresentation
bin10110010111101101…
…11100010011010100
31011000000010220200211
423023312330103110
5144044042042322
65303430215204
7603423161260
oct131366742324
934000126624
1012010112212
11510343907a
1223b21b4504
131195295497
1481d0d10a0
154a45bbb77
hex2cbdbc4d4

12010112212 has 12 divisors (see below), whose sum is σ = 24020224480. Its totient is φ = 5147190936.

The previous prime is 12010112207. The next prime is 12010112263. The reversal of 12010112212 is 21221101021.

12010112212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12010112192 and 12010112201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214466262 + ... + 214466317.

Almost surely, 212010112212 is an apocalyptic number.

It is an amenable number.

12010112212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12010112212 is a wasteful number, since it uses less digits than its factorization.

12010112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428932590 (or 428932588 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010112212 its reverse (21221101021), we get a palindrome (33231213233).

The spelling of 12010112212 in words is "twelve billion, ten million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 428932579 857865158 1715730316 3002528053 6005056106 12010112212