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201202122220001 = 728743160317143
BaseRepresentation
bin101101101111111000000101…
…000001011110000111100001
3222101101201211211200010002122
4231233320011001132013201
5202332443421242020001
61551530551240354025
760244242103511060
oct5557700501360741
9871351754603078
10201202122220001
1159122382734771
121a69639b775915
138836381444466
14379833dd401d7
15183dae0230b1b
hexb6fe0505e1e1

201202122220001 has 4 divisors (see below), whose sum is σ = 229945282537152. Its totient is φ = 172458961902852.

The previous prime is 201202122219971. The next prime is 201202122220027. The reversal of 201202122220001 is 100022221202102.

It is a happy number.

201202122220001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201202122220001 - 238 = 200927244313057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201202122270001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14371580158565 + ... + 14371580158578.

It is an arithmetic number, because the mean of its divisors is an integer number (57486320634288).

Almost surely, 2201202122220001 is an apocalyptic number.

It is an amenable number.

201202122220001 is a deficient number, since it is larger than the sum of its proper divisors (28743160317151).

201202122220001 is an equidigital number, since it uses as much as digits as its factorization.

201202122220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28743160317150.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201202122220001 its reverse (100022221202102), we get a palindrome (301224343422103).

The spelling of 201202122220001 in words is "two hundred one trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty thousand, one".

Divisors: 1 7 28743160317143 201202122220001