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212110212012 = 22338346151047
BaseRepresentation
bin1100010110001011000…
…0001111101110101100
3202021111022210012022020
43011202300033232230
511433400203241022
6241235253550140
721216201024366
oct3054260175654
9667438705266
10212110212012
1181a56759786
1235137345350
13170042616ba
14a3a25cbd36
1557b671535c
hex3162c0fbac

212110212012 has 24 divisors (see below), whose sum is σ = 496216068096. Its totient is φ = 70518798288.

The previous prime is 212110211987. The next prime is 212110212023. The reversal of 212110212012 is 210212011212.

212110212012 is digitally balanced in base 2, 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 = 212110211982 and 212110212000.

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 7 ways as a sum of consecutive naturals, for example, 23070928 + ... + 23080119.

It is an arithmetic number, because the mean of its divisors is an integer number (20675669504).

Almost surely, 2212110212012 is an apocalyptic number.

It is an amenable number.

212110212012 is an abundant number, since it is smaller than the sum of its proper divisors (284105856084).

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

212110212012 is a wasteful number, since it uses less digits than its factorization.

212110212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46151437 (or 46151435 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212110212012 its reverse (210212011212), we get a palindrome (422322223224).

The spelling of 212110212012 in words is "two hundred twelve billion, one hundred ten million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 383 766 1149 1532 2298 4596 46151047 92302094 138453141 184604188 276906282 553812564 17675851001 35351702002 53027553003 70703404004 106055106006 212110212012