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212200221012 = 223132633516619
BaseRepresentation
bin1100010110100000011…
…1100110100101010100
3202021201121011010102220
43011220013212211110
511434041224033022
6241252231102340
721221343055323
oct3055007464524
9667647133386
10212200221012
1181aa254688a
12351615119b0
1317019ab7770
14a3b053c0ba
1557be59485c
hex31681e6954

212200221012 has 48 divisors (see below), whose sum is σ = 533424615360. Its totient is φ = 65267451648.

The previous prime is 212200220941. The next prime is 212200221047. The reversal of 212200221012 is 210122002212.

212200221012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212200220982 and 212200221000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152439 + ... + 669057.

It is an arithmetic number, because the mean of its divisors is an integer number (11113012820).

Almost surely, 2212200221012 is an apocalyptic number.

It is an amenable number.

212200221012 is an abundant number, since it is smaller than the sum of its proper divisors (321224394348).

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

212200221012 is a wasteful number, since it uses less digits than its factorization.

212200221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519272 (or 519270 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212200221012 its reverse (210122002212), we get a palindrome (422322223224).

The spelling of 212200221012 in words is "two hundred twelve billion, two hundred million, two hundred twenty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2633 5266 7899 10532 15798 31596 34229 68458 102687 136916 205374 410748 516619 1033238 1549857 2066476 3099714 6199428 6716047 13432094 20148141 26864188 40296282 80592564 1360257827 2720515654 4080773481 5441031308 8161546962 16323093924 17683351751 35366703502 53050055253 70733407004 106100110506 212200221012