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212102010221223 = 3221331947885257
BaseRepresentation
bin110000001110011111011000…
…111110011011001010100111
31000210222202100202221022201110
4300032133120332123022213
5210300034404104034343
62031034152432400103
762450602353031023
oct6016373076331247
91023882322838643
10212102010221223
1161644a59311201
121b95695a0a6033
139147197aa39c5
143a53b1361d383
15197c3d792a833
hexc0e7d8f9b2a7

212102010221223 has 8 divisors (see below), whose sum is σ = 282930471844848. Its totient is φ = 141337444372544.

The previous prime is 212102010221201. The next prime is 212102010221251. The reversal of 212102010221223 is 322122010201212.

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

It is a cyclic number.

It is not a de Polignac number, because 212102010221223 - 214 = 212102010204839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212102010221223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102010221923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15973935990 + ... + 15973949267.

It is an arithmetic number, because the mean of its divisors is an integer number (35366308980606).

Almost surely, 2212102010221223 is an apocalyptic number.

212102010221223 is a deficient number, since it is larger than the sum of its proper divisors (70828461623625).

212102010221223 is a wasteful number, since it uses less digits than its factorization.

212102010221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31947887473.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 212102010221223 its reverse (322122010201212), we get a palindrome (534224020422435).

The spelling of 212102010221223 in words is "two hundred twelve trillion, one hundred two billion, ten million, two hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 3 2213 6639 31947885257 95843655771 70700670073741 212102010221223