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2012230210012 = 221161797940669
BaseRepresentation
bin11101010010000010010…
…001000101000111011100
321010100220210010220002021
4131102002101011013130
5230432021413210022
64140223352505524
7265243640401021
oct35220221050734
97110823126067
102012230210012
11706422549670
12285b979ab2a4
131179a22cc929
146d56ccb5548
1537521a737c7
hex1d4824451dc

2012230210012 has 48 divisors (see below), whose sum is σ = 3909409469280. Its totient is φ = 898526073600.

The previous prime is 2012230209959. The next prime is 2012230210013. The reversal of 2012230210012 is 2100120322102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012230210013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1668814 + ... + 2609482.

It is an arithmetic number, because the mean of its divisors is an integer number (81446030610).

Almost surely, 22012230210012 is an apocalyptic number.

2012230210012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2012230210012 is a deficient number, since it is larger than the sum of its proper divisors (1897179259268).

2012230210012 is a wasteful number, since it uses less digits than its factorization.

2012230210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941542 (or 941540 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2012230210012 its reverse (2100120322102), we get a palindrome (4112350532114).

The spelling of 2012230210012 in words is "two trillion, twelve billion, two hundred thirty million, two hundred ten thousand, twelve".

Divisors: 1 2 4 11 22 44 61 122 244 671 797 1342 1594 2684 3188 8767 17534 35068 48617 97234 194468 534787 940669 1069574 1881338 2139148 3762676 10347359 20694718 41389436 57380809 114761618 229523236 631188899 749713193 1262377798 1499426386 2524755596 2998852772 8246845123 16493690246 32987380492 45732504773 91465009546 182930019092 503057552503 1006115105006 2012230210012