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212100202200012 = 22373181451690553
BaseRepresentation
bin110000001110011101101101…
…001101010111101111001100
31000210222120200202211022212220
4300032131231031113233030
5210300022203230400022
62031033253204255340
762450506510065120
oct6016355515275714
91023876622738786
10212100202200012
11616442107790a5
121b9565346a1550
139146c6a335979
143a539c1459580
15197c32dd3a85c
hexc0e76d357bcc

212100202200012 has 48 divisors (see below), whose sum is σ = 583845717891072. Its totient is φ = 58645217197440.

The previous prime is 212100202199947. The next prime is 212100202200013. The reversal of 212100202200012 is 210002202001212.

It is a junction number, because it is equal to n+sod(n) for n = 212100202199964 and 212100202200000.

It is not an unprimeable number, because it can be changed into a prime (212100202200013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40725842673 + ... + 40725847880.

It is an arithmetic number, because the mean of its divisors is an integer number (12163452456064).

Almost surely, 2212100202200012 is an apocalyptic number.

It is an amenable number.

212100202200012 is an abundant number, since it is smaller than the sum of its proper divisors (371745515691060).

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

212100202200012 is a wasteful number, since it uses less digits than its factorization.

212100202200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81451690598 (or 81451690596 counting only the distinct ones).

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

Adding to 212100202200012 its reverse (210002202001212), we get a palindrome (422102404201224).

The spelling of 212100202200012 in words is "two hundred twelve trillion, one hundred billion, two hundred two million, two hundred thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 31 42 62 84 93 124 186 217 372 434 651 868 1302 2604 81451690553 162903381106 244355071659 325806762212 488710143318 570161833871 977420286636 1140323667742 1710485501613 2280647335484 2525002407143 3420971003226 5050004814286 6841942006452 7575007221429 10100009628572 15150014442858 17675016850001 30300028885716 35350033700002 53025050550003 70700067400004 106050101100006 212100202200012