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12021102311 = 611491322599
BaseRepresentation
bin10110011001000001…
…10111011011100111
31011000202211021021112
423030200313123213
5144104400233221
65304501535235
7603615453341
oct131440673347
934022737245
1012021102311
1151096650a9
1223b5a1451b
1311976428ba
14820752291
154a553d15b
hex2cc8376e7

12021102311 has 8 divisors (see below), whose sum is σ = 12300180000. Its totient is φ = 11744670240.

The previous prime is 12021102277. The next prime is 12021102337. The reversal of 12021102311 is 11320112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12021102311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021102361) 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, 652211 + ... + 670388.

It is an arithmetic number, because the mean of its divisors is an integer number (1537522500).

Almost surely, 212021102311 is an apocalyptic number.

12021102311 is a deficient number, since it is larger than the sum of its proper divisors (279077689).

12021102311 is a wasteful number, since it uses less digits than its factorization.

12021102311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322809.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12021102311 its reverse (11320112021), we get a palindrome (23341214332).

The spelling of 12021102311 in words is "twelve billion, twenty-one million, one hundred two thousand, three hundred eleven".

Divisors: 1 61 149 9089 1322599 80678539 197067251 12021102311