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210210102120012 = 22317517508510001
BaseRepresentation
bin101111110010111101011010…
…011101110000111001001100
31000120021220000110001212100020
4233302331122131300321030
5210023040242120320022
62023025104320102140
762164115202353061
oct5762753235607114
91016256013055306
10210210102120012
1160a85670531885
121b6b0161a64950
13903a95c62a477
1439ca31a77ac68
1519480a928735c
hexbf2f5a770e4c

210210102120012 has 12 divisors (see below), whose sum is σ = 490490238280056. Its totient is φ = 70070034040000.

The previous prime is 210210102119981. The next prime is 210210102120023. The reversal of 210210102120012 is 210021201012012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 210210102119973 and 210210102120000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8758754254989 + ... + 8758754255012.

It is an arithmetic number, because the mean of its divisors is an integer number (40874186523338).

Almost surely, 2210210102120012 is an apocalyptic number.

It is an amenable number.

210210102120012 is an abundant number, since it is smaller than the sum of its proper divisors (280280136160044).

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

210210102120012 is a wasteful number, since it uses less digits than its factorization.

210210102120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17517508510008 (or 17517508510006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210210102120012 its reverse (210021201012012), we get a palindrome (420231303132024).

The spelling of 210210102120012 in words is "two hundred ten trillion, two hundred ten billion, one hundred two million, one hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 17517508510001 35035017020002 52552525530003 70070034040004 105105051060006 210210102120012