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212211001230 = 23541916882339
BaseRepresentation
bin1100010110100011000…
…0101110011110001110
3202021202100102211010020
43011220300232132032
511434102004014410
6241253254123010
721221533514454
oct3055060563616
9667670384106
10212211001230
1181aa863a158
1235165050466
131701c0c04a7
14a3b1b469d4
1557c04c3a70
hex3168c2e78e

212211001230 has 32 divisors (see below), whose sum is σ = 510521961600. Its totient is φ = 56454538272.

The previous prime is 212211001193. The next prime is 212211001283. The reversal of 212211001230 is 32100112212.

212211001230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8428600 + ... + 8453739.

It is an arithmetic number, because the mean of its divisors is an integer number (15953811300).

Almost surely, 2212211001230 is an apocalyptic number.

212211001230 is an abundant number, since it is smaller than the sum of its proper divisors (298310960370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212211001230 is a wasteful number, since it uses less digits than its factorization.

212211001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16882768.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212211001230 its reverse (32100112212), we get a palindrome (244311113442).

The spelling of 212211001230 in words is "two hundred twelve billion, two hundred eleven million, one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 419 838 1257 2095 2514 4190 6285 12570 16882339 33764678 50647017 84411695 101294034 168823390 253235085 506470170 7073700041 14147400082 21221100123 35368500205 42442200246 70737000410 106105500615 212211001230