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212104401212 = 221140911786197
BaseRepresentation
bin1100010110001001101…
…0000101000100111100
3202021110220211222101102
43011202122011010330
511433342211314322
6241234525232232
721216100443314
oct3054232050474
9667426758342
10212104401212
1181a5344aa70
1235135402678
1317002ca8862
14a3a1918444
1557b5e68792
hex316268513c

212104401212 has 24 divisors (see below), whose sum is σ = 405916659120. Its totient is φ = 96175359360.

The previous prime is 212104401107. The next prime is 212104401227.

212104401212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5875103 + ... + 5911094.

It is an arithmetic number, because the mean of its divisors is an integer number (16913194130).

Almost surely, 2212104401212 is an apocalyptic number.

212104401212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212104401212 is a deficient number, since it is larger than the sum of its proper divisors (193812257908).

212104401212 is a wasteful number, since it uses less digits than its factorization.

212104401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11786621 (or 11786619 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 212104 and 401212, that added together give a palindrome (613316).

The spelling of 212104401212 in words is "two hundred twelve billion, one hundred four million, four hundred one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 409 818 1636 4499 8998 17996 11786197 23572394 47144788 129648167 259296334 518592668 4820554573 9641109146 19282218292 53026100303 106052200606 212104401212