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221010020210012 = 221139712652279609
BaseRepresentation
bin110010010000000111100111…
…101111110001010101011100
31001222112100111022022101202112
4302100013213233301111130
5212432012010133210022
62102014333542013152
764360306221432635
oct6220074757612534
91058470438271675
10221010020210012
1164469906764380
12209552807171b8
1396422037837a7
143c80d28dcc88c
151a83ea01dc8e2
hexc901e7bf155c

221010020210012 has 24 divisors (see below), whose sum is σ = 422991011921520. Its totient is φ = 100206054495360.

The previous prime is 221010020210009. The next prime is 221010020210039. The reversal of 221010020210012 is 210012020010122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6326122337 + ... + 6326157272.

It is an arithmetic number, because the mean of its divisors is an integer number (17624625496730).

Almost surely, 2221010020210012 is an apocalyptic number.

221010020210012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221010020210012 is a deficient number, since it is larger than the sum of its proper divisors (201980991711508).

221010020210012 is a wasteful number, since it uses less digits than its factorization.

221010020210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12652280021 (or 12652280019 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221010020210012 its reverse (210012020010122), we get a palindrome (431022040220134).

The spelling of 221010020210012 in words is "two hundred twenty-one trillion, ten billion, twenty million, two hundred ten thousand, twelve".

Divisors: 1 2 4 11 22 44 397 794 1588 4367 8734 17468 12652279609 25304559218 50609118436 139175075699 278350151398 556700302796 5022955004773 10045910009546 20091820019092 55252505052503 110505010105006 221010020210012