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212230011213 = 3211371512571493
BaseRepresentation
bin1100010110100111100…
…1001111100101001101
3202021210200012121220200
43011221321033211031
511434121340324323
6241255213404113
721222154221243
oct3055171174515
9667720177820
10212230011213
1182008343690
123516b499639
13170230180bc
14a3b4494793
1557c1ecb443
hex3169e4f94d

212230011213 has 96 divisors (see below), whose sum is σ = 347313837312. Its totient is φ = 123752448000.

The previous prime is 212230011209. The next prime is 212230011223. The reversal of 212230011213 is 312110032212.

212230011213 is a `hidden beast` number, since 212 + 230 + 0 + 11 + 213 = 666.

It is not a de Polignac number, because 212230011213 - 22 = 212230011209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230011223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 142149295 + ... + 142150787.

It is an arithmetic number, because the mean of its divisors is an integer number (3617852472).

Almost surely, 2212230011213 is an apocalyptic number.

It is an amenable number.

212230011213 is a deficient number, since it is larger than the sum of its proper divisors (135083826099).

212230011213 is a wasteful number, since it uses less digits than its factorization.

212230011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212230011213 its reverse (312110032212), we get a palindrome (524340043425).

The spelling of 212230011213 in words is "two hundred twelve billion, two hundred thirty million, eleven thousand, two hundred thirteen".

Divisors: 1 3 9 11 33 37 99 111 151 257 333 407 453 771 1221 1359 1493 1661 2313 2827 3663 4479 4983 5587 8481 9509 13437 14949 16423 16761 25443 28527 38807 49269 50283 55241 61457 85581 104599 116421 147807 165723 184371 225443 313797 349263 383701 426877 497169 553113 607651 676329 941391 1151103 1280631 1435859 1822953 2028987 2479873 3453309 3841893 4220711 4307577 5468859 7439619 8341391 12662133 12922731 14196937 15794449 22318857 25024173 37986399 42590811 47383347 57938851 75072519 91755301 127772433 142150041 156166307 173816553 275265903 468498921 521449659 637327361 825797709 1405496763 1911982083 2143737487 5735946249 6431212461 19293637383 23581112357 70743337071 212230011213