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12002212012 = 227835164463
BaseRepresentation
bin10110010110110001…
…10011100010101100
31010222110021112122211
423023120303202230
5144040031241022
65302545020204
7603266055520
oct131330634254
933873245584
1012002212012
1150a9a3258a
1223ab624664
13119375a5cb
1481c035d80
154a3a5ae77
hex2cb6338ac

12002212012 has 24 divisors (see below), whose sum is σ = 24293638656. Its totient is φ = 5081830608.

The previous prime is 12002212003. The next prime is 12002212037. The reversal of 12002212012 is 21021220021.

It is a happy number.

12002212012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12002211983 and 12002212001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2579908 + ... + 2584555.

It is an arithmetic number, because the mean of its divisors is an integer number (1012234944).

Almost surely, 212002212012 is an apocalyptic number.

It is an amenable number.

12002212012 is an abundant number, since it is smaller than the sum of its proper divisors (12291426644).

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

12002212012 is a wasteful number, since it uses less digits than its factorization.

12002212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164557 (or 5164555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12002212012 its reverse (21021220021), we get a palindrome (33023432033).

The spelling of 12002212012 in words is "twelve billion, two million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 7 14 28 83 166 332 581 1162 2324 5164463 10328926 20657852 36151241 72302482 144604964 428650429 857300858 1714601716 3000553003 6001106006 12002212012