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2012211201012 = 2231117150120203
BaseRepresentation
bin11101010010000001001…
…000100100001111110100
321010100212110101010122020
4131102001020210033310
5230432002031413022
64140221433233140
7265243320000135
oct35220110441764
97110773333566
102012211201012
11706412845951
12285b915627b0
1311799b3a55bc
146d56a567c8c
153752006b35c
hex1d4812243f4

2012211201012 has 24 divisors (see below), whose sum is σ = 4699362866016. Its totient is φ = 670136581728.

The previous prime is 2012211200947. The next prime is 2012211201037. The reversal of 2012211201012 is 2101021122102.

It is a junction number, because it is equal to n+sod(n) for n = 2012211200982 and 2012211201000.

It is a congruent number.

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, 75046698 + ... + 75073505.

It is an arithmetic number, because the mean of its divisors is an integer number (195806786084).

Almost surely, 22012211201012 is an apocalyptic number.

It is an amenable number.

2012211201012 is an abundant number, since it is smaller than the sum of its proper divisors (2687151665004).

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

2012211201012 is a wasteful number, since it uses less digits than its factorization.

2012211201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150121327 (or 150121325 counting only the distinct ones).

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

Adding to 2012211201012 its reverse (2101021122102), we get a palindrome (4113232323114).

The spelling of 2012211201012 in words is "two trillion, twelve billion, two hundred eleven million, two hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 1117 2234 3351 4468 6702 13404 150120203 300240406 450360609 600480812 900721218 1801442436 167684266751 335368533502 503052800253 670737067004 1006105600506 2012211201012