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2012211022012 = 2217373797210631
BaseRepresentation
bin11101010010000001000…
…111111000100010111100
321010100212110001001002121
4131102001013320202330
5230432002010201022
64140221425332324
7265243315323232
oct35220107704274
97110773031077
102012211022012
11706412733414
12285b914970a4
1311799b341c99
146d56a51c952
15375200332c7
hex1d4811f88bc

2012211022012 has 48 divisors (see below), whose sum is σ = 3830305848768. Its totient is φ = 921083304960.

The previous prime is 2012211022007. The next prime is 2012211022013. The reversal of 2012211022012 is 2102201122102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012211022013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9447937 + ... + 9658567.

It is an arithmetic number, because the mean of its divisors is an integer number (79798038516).

Almost surely, 22012211022012 is an apocalyptic number.

It is an amenable number.

2012211022012 is a deficient number, since it is larger than the sum of its proper divisors (1818094826756).

2012211022012 is a wasteful number, since it uses less digits than its factorization.

2012211022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214486 (or 214484 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012211022012 its reverse (2102201122102), we get a palindrome (4114412144114).

The spelling of 2012211022012 in words is "two trillion, twelve billion, two hundred eleven million, twenty-two thousand, twelve".

Divisors: 1 2 4 17 34 37 68 74 148 629 1258 2516 3797 7594 15188 64549 129098 140489 210631 258196 280978 421262 561956 842524 2388313 3580727 4776626 7161454 7793347 9553252 14322908 15586694 31173388 132486899 264973798 529947596 799765907 1599531814 3199063628 13596020419 27192040838 29591338559 54384081676 59182677118 118365354236 503052755503 1006105511006 2012211022012