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12207329271 = 323253741687
BaseRepresentation
bin10110101111001110…
…10000111111110111
31011111202020120122100
423113213100333313
5200000034014041
65335153233143
7611336405154
oct132747207767
934452216570
1012207329271
1151a47a0185
1224482627b3
1311c70b6b77
1483b38b22b
154b6a766b6
hex2d79d0ff7

12207329271 has 12 divisors (see below), whose sum is σ = 17633773872. Its totient is φ = 8137774176.

The previous prime is 12207329261. The next prime is 12207329279. The reversal of 12207329271 is 17292370221.

It is not a de Polignac number, because 12207329271 - 210 = 12207328247 is a prime.

It is a super-2 number, since 2×122073292712 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12207329279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271990 + ... + 313676.

It is an arithmetic number, because the mean of its divisors is an integer number (1469481156).

Almost surely, 212207329271 is an apocalyptic number.

12207329271 is a deficient number, since it is larger than the sum of its proper divisors (5426444601).

12207329271 is a wasteful number, since it uses less digits than its factorization.

12207329271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74230 (or 74227 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

Adding to 12207329271 its reverse (17292370221), we get a palindrome (29499699492).

The spelling of 12207329271 in words is "twelve billion, two hundred seven million, three hundred twenty-nine thousand, two hundred seventy-one".

Divisors: 1 3 9 32537 41687 97611 125061 292833 375183 1356369919 4069109757 12207329271