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12000012212 = 226316836961
BaseRepresentation
bin10110010110100000…
…11010011110110100
31010222022010210002202
423023100122132310
5144034000342322
65302425524032
7603241264226
oct131320323664
933868123082
1012000012212
1150a876a871
1223aa943618
13119316a256
1481ba22416
154a3774292
hex2cb41a7b4

12000012212 has 24 divisors (see below), whose sum is σ = 21067123392. Its totient is φ = 5980867200.

The previous prime is 12000012181. The next prime is 12000012289. The reversal of 12000012212 is 21221000021.

It is a happy number.

12000012212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12000012193 and 12000012202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720412 + ... + 1727372.

It is an arithmetic number, because the mean of its divisors is an integer number (877796808).

Almost surely, 212000012212 is an apocalyptic number.

It is an amenable number.

12000012212 is a deficient number, since it is larger than the sum of its proper divisors (9067111180).

12000012212 is a wasteful number, since it uses less digits than its factorization.

12000012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279 (or 8277 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12000012212 its reverse (21221000021), we get a palindrome (33221012233).

The spelling of 12000012212 in words is "twelve billion, twelve thousand, two hundred twelve".

Divisors: 1 2 4 631 683 1262 1366 2524 2732 6961 13922 27844 430973 861946 1723892 4392391 4754363 8784782 9508726 17569564 19017452 3000003053 6000006106 12000012212