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201201012001 = 1122372296447
BaseRepresentation
bin1011101101100010000…
…0111100110100100001
3201020100001012102020101
42323120200330310201
511244024424341001
6232232551542401
720351643245503
oct2733040746441
9636301172211
10201201012001
11783687a9300
1232bb198aa01
1315c860a9172
149a497d5d73
155378b0ea01
hex2ed883cd21

201201012001 has 12 divisors (see below), whose sum is σ = 230770262016. Its totient is φ = 174957399320.

The previous prime is 201201011969. The next prime is 201201012007. The reversal of 201201012001 is 100210102102.

It is not a de Polignac number, because 201201012001 - 25 = 201201011969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201012007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36145441 + ... + 36151006.

It is an arithmetic number, because the mean of its divisors is an integer number (19230855168).

Almost surely, 2201201012001 is an apocalyptic number.

It is an amenable number.

201201012001 is a deficient number, since it is larger than the sum of its proper divisors (29569250015).

201201012001 is a wasteful number, since it uses less digits than its factorization.

201201012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72296492 (or 72296481 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201201012001 its reverse (100210102102), we get a palindrome (301411114103).

It can be divided in two parts, 20120101 and 2001, that added together give a palindrome (20122102).

The spelling of 201201012001 in words is "two hundred one billion, two hundred one million, twelve thousand, one".

Divisors: 1 11 23 121 253 2783 72296447 795260917 1662818281 8747870087 18291001091 201201012001