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20122000111201 = 281569125849809
BaseRepresentation
bin1001001001101000001001…
…01010110011011001100001
32122020122101210012021220211
410210310010222303121201
510114134324012024301
6110443530315534121
74144523630611162
oct444640452633141
978218353167824
1020122000111201
11645876853531a
12230b94115a341
13b2c65b983c51
144d7ca508b769
1524d645722051
hex124d04ab3661

20122000111201 has 8 divisors (see below), whose sum is σ = 20229098459400. Its totient is φ = 20015153464320.

The previous prime is 20122000111181. The next prime is 20122000111231. The reversal of 20122000111201 is 10211100022102.

It can be written as a sum of positive squares in 4 ways, for example, as 53974440976 + 20068025670225 = 232324^2 + 4479735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20122000111201 - 29 = 20122000110689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122000111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62765016 + ... + 63084793.

It is an arithmetic number, because the mean of its divisors is an integer number (2528637307425).

Almost surely, 220122000111201 is an apocalyptic number.

It is an amenable number.

20122000111201 is a deficient number, since it is larger than the sum of its proper divisors (107098348199).

20122000111201 is a wasteful number, since it uses less digits than its factorization.

20122000111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125850659.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20122000111201 its reverse (10211100022102), we get a palindrome (30333100133303).

The spelling of 20122000111201 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven thousand, two hundred one".

Divisors: 1 281 569 159889 125849809 35363796329 71608541321 20122000111201