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212101200122 = 27791144316759
BaseRepresentation
bin1100010110001000110…
…1110111100011111010
3202021110200211100022112
43011202031313203322
511433340401400442
6241234332452322
721216031311560
oct3054215674372
9667420740275
10212101200122
1181a51663a39
123513431a0a2
1317002427816
14a3a1323a30
1557b5a35082
hex31623778fa

212101200122 has 32 divisors (see below), whose sum is σ = 368258764800. Its totient is φ = 89736676848.

The previous prime is 212101200097. The next prime is 212101200127. The reversal of 212101200122 is 221002101212.

212101200122 is digitally balanced in base 3, 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 (14).

It is a junction number, because it is equal to n+sod(n) for n = 212101200097 and 212101200106.

It is not an unprimeable number, because it can be changed into a prime (212101200127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12647579 + ... + 12664337.

It is an arithmetic number, because the mean of its divisors is an integer number (11508086400).

Almost surely, 2212101200122 is an apocalyptic number.

212101200122 is a deficient number, since it is larger than the sum of its proper divisors (156157564678).

212101200122 is a wasteful number, since it uses less digits than its factorization.

212101200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28290.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212101200122 its reverse (221002101212), we get a palindrome (433103301334).

The spelling of 212101200122 in words is "two hundred twelve billion, one hundred one million, two hundred thousand, one hundred twenty-two".

Divisors: 1 2 7 14 79 158 553 1106 11443 16759 22886 33518 80101 117313 160202 234626 903997 1323961 1807994 2647922 6327979 9267727 12655958 18535454 191773237 383546474 1342412659 2684825318 15150085723 30300171446 106050600061 212101200122