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2012220022001 = 77926913526893
BaseRepresentation
bin11101010010000001101…
…010001101110011110001
321010100220001222021202112
4131102001222031303301
5230432011311201001
64140222350255105
7265243454656250
oct35220152156361
97110801867675
102012220022001
11706417820222
12285b944b7495
131179a0173617
146d56b7c2797
1537520c0ecbb
hex1d481a8dcf1

2012220022001 has 16 divisors (see below), whose sum is σ = 2337447283200. Its totient is φ = 1696596902208.

The previous prime is 2012220021967. The next prime is 2012220022013. The reversal of 2012220022001 is 1002200222102.

It is a cyclic number.

It is not a de Polignac number, because 2012220022001 - 214 = 2012220005617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012220022091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6614690 + ... + 6912203.

It is an arithmetic number, because the mean of its divisors is an integer number (146090455200).

Almost surely, 22012220022001 is an apocalyptic number.

It is an amenable number.

2012220022001 is a deficient number, since it is larger than the sum of its proper divisors (325227261199).

2012220022001 is a wasteful number, since it uses less digits than its factorization.

2012220022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13527248.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2012220022001 its reverse (1002200222102), we get a palindrome (3014420244103).

The spelling of 2012220022001 in words is "two trillion, twelve billion, two hundred twenty million, twenty-two thousand, one".

Divisors: 1 7 79 269 553 1883 21251 148757 13526893 94688251 1068624547 3638734217 7480371829 25471139519 287460003143 2012220022001