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12112013322020 = 225605600666101
BaseRepresentation
bin1011000001000000110001…
…0000000110011100100100
31120212220020000220102202202
42300100030100012130210
53041420400402301040
641432103200154032
72360030660361323
oct260201420063444
946786200812682
1012112013322020
11394a748840607
121437480908918
1369b2090497a1
142dc3203280ba
151600dbb5d015
hexb040c406724

12112013322020 has 12 divisors (see below), whose sum is σ = 25435227976284. Its totient is φ = 4844805328800.

The previous prime is 12112013321983. The next prime is 12112013322061. The reversal of 12112013322020 is 2022331021121.

It can be written as a sum of positive squares in 2 ways, for example, as 4557123406564 + 7554889915456 = 2134742^2 + 2748616^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 605600666101 = 12112013322020 / (1 + 2 + 1 + 1 + 2 + 0 + 1 + 3 + 3 + 2 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 12112013321983 and 12112013322001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302800333031 + ... + 302800333070.

It is an arithmetic number, because the mean of its divisors is an integer number (2119602331357).

Almost surely, 212112013322020 is an apocalyptic number.

12112013322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112013322020 is an abundant number, since it is smaller than the sum of its proper divisors (13323214654264).

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

12112013322020 is a wasteful number, since it uses less digits than its factorization.

12112013322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605600666110 (or 605600666108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12112013322020 its reverse (2022331021121), we get a palindrome (14134344343141).

The spelling of 12112013322020 in words is "twelve trillion, one hundred twelve billion, thirteen million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 605600666101 1211201332202 2422402664404 3028003330505 6056006661010 12112013322020