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211213121412012 = 22331181616934831
BaseRepresentation
bin110000000001100011100011…
…000100101101101110101100
31000200211202222120211012210220
4300001203203010231232230
5210141003433040141022
62025113545104331340
762326434021564516
oct6001434304555654
91020752876735726
10211213121412012
1161331a887a4515
121b832627013b50
1390b14092a3605
143a22aabbacbb6
151964210b0385c
hexc018e312dbac

211213121412012 has 48 divisors (see below), whose sum is σ = 494475934977024. Its totient is φ = 70169383872000.

The previous prime is 211213121411983. The next prime is 211213121412037. The reversal of 211213121412012 is 210214121312112.

It is a super-2 number, since 2×2112131214120122 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26989437 + ... + 33924267.

It is an arithmetic number, because the mean of its divisors is an integer number (10301581978688).

Almost surely, 2211213121412012 is an apocalyptic number.

It is an amenable number.

211213121412012 is an abundant number, since it is smaller than the sum of its proper divisors (283262813565012).

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

211213121412012 is a wasteful number, since it uses less digits than its factorization.

211213121412012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943310 (or 6943308 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 211213121412012 its reverse (210214121312112), we get a palindrome (421427242724124).

The spelling of 211213121412012 in words is "two hundred eleven trillion, two hundred thirteen billion, one hundred twenty-one million, four hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 311 622 933 1244 1866 3732 8161 16322 24483 32644 48966 97932 2538071 5076142 6934831 7614213 10152284 13869662 15228426 20804493 27739324 30456852 41608986 83217972 2156732441 4313464882 6470197323 8626929764 12940394646 25880789292 56595155791 113190311582 169785467373 226380623164 339570934746 679141869492 17601093451001 35202186902002 52803280353003 70404373804004 105606560706006 211213121412012