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201200121301 = 1783287949529
BaseRepresentation
bin1011101101100001110…
…1100011010111010101
3201020022222112011102111
42323120131203113111
511244024212340201
6232232520511021
720351632545634
oct2733035432725
9636288464374
10201200121301
1178368250093
1232bb161b471
1315c85b5691a
149a4964351b
1553789d5b51
hex2ed87635d5

201200121301 has 16 divisors (see below), whose sum is σ = 215681356800. Its totient is φ = 187014558208.

The previous prime is 201200121299. The next prime is 201200121307. The reversal of 201200121301 is 103121002102.

It is a cyclic number.

It is not a de Polignac number, because 201200121301 - 21 = 201200121299 is a prime.

It is a super-2 number, since 2×2012001213012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201200121307) 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, 4037505 + ... + 4087033.

It is an arithmetic number, because the mean of its divisors is an integer number (13480084800).

Almost surely, 2201200121301 is an apocalyptic number.

It is an amenable number.

201200121301 is a deficient number, since it is larger than the sum of its proper divisors (14481235499).

201200121301 is a wasteful number, since it uses less digits than its factorization.

201200121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52508.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201200121301 its reverse (103121002102), we get a palindrome (304321123403).

It can be divided in two parts, 2012001 and 21301, that added together give a palindrome (2033302).

The spelling of 201200121301 in words is "two hundred one billion, two hundred million, one hundred twenty-one thousand, three hundred one".

Divisors: 1 17 83 1411 2879 48943 49529 238957 841993 4062269 4110907 69885419 142593991 2424097847 11835301253 201200121301