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20120002200001 = 11431987211110141
BaseRepresentation
bin1001001001100100011011…
…00101011000000111000001
32122020110020112202212222201
410210302031211120013001
510114121231030400001
6110443000145433201
74144423260626164
oct444621545300701
978213215685881
1020120002200001
116457932795040
12230b48403b801
13b2c400a8b582
144d7b559b7adb
1524d57a123501
hex124c8d9581c1

20120002200001 has 32 divisors (see below), whose sum is σ = 22483702112256. Its totient is φ = 17846331048000.

The previous prime is 20120002199993. The next prime is 20120002200013. The reversal of 20120002200001 is 10000220002102.

It is a cyclic number.

It is not a de Polignac number, because 20120002200001 - 23 = 20120002199993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120002200031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1984020391 + ... + 1984030531.

It is an arithmetic number, because the mean of its divisors is an integer number (702615691008).

Almost surely, 220120002200001 is an apocalyptic number.

It is an amenable number.

20120002200001 is a deficient number, since it is larger than the sum of its proper divisors (2363699912255).

20120002200001 is a wasteful number, since it uses less digits than its factorization.

20120002200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14293.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20120002200001 its reverse (10000220002102), we get a palindrome (30120222202103).

It can be divided in two parts, 20 and 120002200001, that added together give a palindrome (120002200021).

The spelling of 20120002200001 in words is "twenty trillion, one hundred twenty billion, two million, two hundred thousand, one".

Divisors: 1 11 43 473 1987 2111 10141 21857 23221 85441 90773 111551 436063 939851 998503 4194557 4796693 20150167 21407651 46140127 180365951 221651837 235484161 866457181 920528993 1984025461 9531028991 10125818923 42537002537 467907027907 1829091109091 20120002200001