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212230334112021 = 3227187015307139
BaseRepresentation
bin110000010000010110111001…
…101011001110000100010101
31000211110000120212222101202200
4300100112321223032010111
5210304140211013041041
62031213134114555113
762463064345065441
oct6020267153160425
91024400525871680
10212230334112021
1161694419855715
121b9777b1598a99
139156308645334
143a5a008261821
1519808e85591b6
hexc105b9ace115

212230334112021 has 12 divisors (see below), whose sum is σ = 307686126047040. Its totient is φ = 140964797563560.

The previous prime is 212230334112007. The next prime is 212230334112109. The reversal of 212230334112021 is 120211433032212.

212230334112021 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 303 + 341 + 12 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 212230334112021 - 219 = 212230333587733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230334112221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43507651131 + ... + 43507656008.

It is an arithmetic number, because the mean of its divisors is an integer number (25640510503920).

Almost surely, 2212230334112021 is an apocalyptic number.

It is an amenable number.

212230334112021 is a deficient number, since it is larger than the sum of its proper divisors (95455791935019).

212230334112021 is a wasteful number, since it uses less digits than its factorization.

212230334112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87015307416 (or 87015307413 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 212230334112021 its reverse (120211433032212), we get a palindrome (332441767144233).

The spelling of 212230334112021 in words is "two hundred twelve trillion, two hundred thirty billion, three hundred thirty-four million, one hundred twelve thousand, twenty-one".

Divisors: 1 3 9 271 813 2439 87015307139 261045921417 783137764251 23581148234669 70743444704007 212230334112021