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20022012120012 = 2237238357287143
BaseRepresentation
bin1001000110101101111001…
…11010111000101111001100
32121220002022110011001122220
410203112330322320233030
510111020040100320022
6110325552502135340
74134354060656610
oct443267472705714
977802273131586
1020022012120012
11641a318961661
1222b4497421550
13b230b57ba516
144d30db875340
1524ac425aa85c
hex1235bceb8bcc

20022012120012 has 24 divisors (see below), whose sum is σ = 53392032320256. Its totient is φ = 5720574891408.

The previous prime is 20022012120007. The next prime is 20022012120029. The reversal of 20022012120012 is 21002121022002.

It is a junction number, because it is equal to n+sod(n) for n = 20022012119973 and 20022012120000.

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, 119178643488 + ... + 119178643655.

It is an arithmetic number, because the mean of its divisors is an integer number (2224668013344).

Almost surely, 220022012120012 is an apocalyptic number.

It is an amenable number.

20022012120012 is an abundant number, since it is smaller than the sum of its proper divisors (33370020200244).

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

20022012120012 is a wasteful number, since it uses less digits than its factorization.

20022012120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238357287157 (or 238357287155 counting only the distinct ones).

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

Adding to 20022012120012 its reverse (21002121022002), we get a palindrome (41024133142014).

The spelling of 20022012120012 in words is "twenty trillion, twenty-two billion, twelve million, one hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 238357287143 476714574286 715071861429 953429148572 1430143722858 1668501010001 2860287445716 3337002020002 5005503030003 6674004040004 10011006060006 20022012120012