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2012101222020 = 223535993412313
BaseRepresentation
bin11101010001111010100…
…101000001111010000100
321010100120210102121211020
4131101322211001322010
5230431240403101040
64140202504111140
7265240513123521
oct35217245017204
97110523377736
102012101222020
1170636675901a
12285b607654b0
13117981679986
146d559ada148
1537515594cd0
hex1d47a941e84

2012101222020 has 48 divisors (see below), whose sum is σ = 5649576750720. Its totient is φ = 535065723136.

The previous prime is 2012101221979. The next prime is 2012101222031. The reversal of 2012101222020 is 202221012102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46684617 + ... + 46727696.

It is an arithmetic number, because the mean of its divisors is an integer number (117699515640).

Almost surely, 22012101222020 is an apocalyptic number.

2012101222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012101222020 is an abundant number, since it is smaller than the sum of its proper divisors (3637475528700).

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

2012101222020 is a wasteful number, since it uses less digits than its factorization.

2012101222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93412684 (or 93412682 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2012101222020 its reverse (202221012102), we get a palindrome (2214322234122).

The spelling of 2012101222020 in words is "two trillion, twelve billion, one hundred one million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 359 718 1077 1436 1795 2154 3590 4308 5385 7180 10770 21540 93412313 186824626 280236939 373649252 467061565 560473878 934123130 1120947756 1401184695 1868246260 2802369390 5604738780 33535020367 67070040734 100605061101 134140081468 167675101835 201210122202 335350203670 402420244404 503025305505 670700407340 1006050611010 2012101222020