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212333231212 = 22175933139109
BaseRepresentation
bin1100010111000000001…
…0111111110001101100
3202022001212102202010121
43011300002333301230
511434324301344322
6241313342014324
721224546454214
oct3056002776154
9668055382117
10212333231212
1182060634373
1235199b773a4
131703b51841b
14a3c4083244
1557cb0b9ec7
hex31700bfc6c

212333231212 has 24 divisors (see below), whose sum is σ = 371947452800. Its totient is φ = 106062587136.

The previous prime is 212333231113. The next prime is 212333231213. The reversal of 212333231212 is 212132333212.

212333231212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212333231213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23305714 + ... + 23314822.

Almost surely, 2212333231212 is an apocalyptic number.

It is an amenable number.

212333231212 is a deficient number, since it is larger than the sum of its proper divisors (159614221588).

212333231212 is a wasteful number, since it uses less digits than its factorization.

212333231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14185 (or 14183 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 212333231212 its reverse (212132333212), we get a palindrome (424465564424).

The spelling of 212333231212 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 1759 3313 3518 6626 7036 9109 13252 18218 36436 5827567 11655134 16022731 23310268 30178117 32045462 60356234 64090924 120712468 53083307803 106166615606 212333231212