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2122112000020 = 225295787358723
BaseRepresentation
bin11110111000010111101…
…110110110000000010100
321111212112122010011211111
4132320113232312000110
5234232041133000040
64302515040544404
7306213625243645
oct36702756660024
97455478104744
102122112000020
11748a8999a871
122a3343022104
1312516417b59c
14749d44c76cc
153a3035badea
hex1ee17bb6014

2122112000020 has 24 divisors (see below), whose sum is σ = 4456462689504. Its totient is φ = 848839563936.

The previous prime is 2122111999993. The next prime is 2122112000119. The reversal of 2122112000020 is 200002112212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5736379 + ... + 6095101.

It is an arithmetic number, because the mean of its divisors is an integer number (185685945396).

Almost surely, 22122112000020 is an apocalyptic number.

2122112000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122112000020 is an abundant number, since it is smaller than the sum of its proper divisors (2334350689484).

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

2122112000020 is a wasteful number, since it uses less digits than its factorization.

2122112000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654519 (or 654517 counting only the distinct ones).

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

Adding to 2122112000020 its reverse (200002112212), we get a palindrome (2322114112232).

The spelling of 2122112000020 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 295787 358723 591574 717446 1183148 1434892 1478935 1793615 2957870 3587230 5915740 7174460 106105600001 212211200002 424422400004 530528000005 1061056000010 2122112000020