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212230422123 = 3191072401811
BaseRepresentation
bin1100010110100111101…
…0110011111001101011
3202021210200222111120120
43011221322303321223
511434121442001443
6241255230254323
721222160552236
oct3055172637153
9667720874516
10212230422123
11820085a4385
123516b6573a3
1317023130145
14a3b456041d
1557c205d083
hex3169eb3e6b

212230422123 has 48 divisors (see below), whose sum is σ = 301798573440. Its totient is φ = 132293088000.

The previous prime is 212230422121. The next prime is 212230422127. The reversal of 212230422123 is 321224032212.

It is not a de Polignac number, because 212230422123 - 21 = 212230422121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212230422093 and 212230422102.

It is not an unprimeable number, because it can be changed into a prime (212230422121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261689388 + ... + 261690198.

It is an arithmetic number, because the mean of its divisors is an integer number (6287470280).

Almost surely, 2212230422123 is an apocalyptic number.

212230422123 is a deficient number, since it is larger than the sum of its proper divisors (89568151317).

212230422123 is a wasteful number, since it uses less digits than its factorization.

212230422123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212230422123 its reverse (321224032212), we get a palindrome (533454454335).

The spelling of 212230422123 in words is "two hundred twelve billion, two hundred thirty million, four hundred twenty-two thousand, one hundred twenty-three".

Divisors: 1 3 19 57 107 321 401 811 1203 2033 2433 6099 7619 11449 15409 22857 34347 42907 46227 86777 128721 217531 260331 325211 652593 815233 975633 1648763 2445699 4591049 4946289 6179009 9285139 13773147 18537027 27855417 34797577 87229931 104392731 176417641 261689793 529252923 661153963 1983461889 3723340739 11170022217 70743474041 212230422123