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1210220012012 = 2211131213209621
BaseRepresentation
bin10001100111000110101…
…110111110000111101100
311021200210022110111211212
4101213012232332013230
5124312012310341022
62323544542533552
7153302244241304
oct21470656760754
94250708414755
101210220012012
11427284712410
121766702972b8
138a17aa481ab
144280999c604
15217320573e2
hex119c6bbe1ec

1210220012012 has 24 divisors (see below), whose sum is σ = 2310448653072. Its totient is φ = 550093188800.

The previous prime is 1210220012009. The next prime is 1210220012021. The reversal of 1210220012012 is 2102100220121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5668562 + ... + 5878182.

It is an arithmetic number, because the mean of its divisors is an integer number (96268693878).

Almost surely, 21210220012012 is an apocalyptic number.

It is an amenable number.

1210220012012 is a deficient number, since it is larger than the sum of its proper divisors (1100228641060).

1210220012012 is a wasteful number, since it uses less digits than its factorization.

1210220012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340849 (or 340847 counting only the distinct ones).

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

Adding to 1210220012012 its reverse (2102100220121), we get a palindrome (3312320232133).

The spelling of 1210220012012 in words is "one trillion, two hundred ten billion, two hundred twenty million, twelve thousand, twelve".

Divisors: 1 2 4 11 22 44 131213 209621 262426 419242 524852 838484 1443343 2305831 2886686 4611662 5773372 9223324 27505000273 55010000546 110020001092 302555003003 605110006006 1210220012012