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121201011301 = 17231143727103
BaseRepresentation
bin111000011100000100…
…1001010101001100101
3102120211201002022021111
41300320021022221211
53441204424330201
6131402354145021
711520321412036
oct1607011125145
9376751068244
10121201011301
11474458a1747
121b5a5b82171
13b576c73c46
145c1aa5aa8d
153245640b51
hex1c3824aa65

121201011301 has 16 divisors (see below), whose sum is σ = 133926718464. Its totient is φ = 109098342144.

The previous prime is 121201011299. The next prime is 121201011377. The reversal of 121201011301 is 103110102121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121201011301 - 21 = 121201011299 is a prime.

It is a super-3 number, since 3×1212010113013 (a number of 34 digits) contains 333 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 (121201071301) 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, 4458316 + ... + 4485418.

It is an arithmetic number, because the mean of its divisors is an integer number (8370419904).

Almost surely, 2121201011301 is an apocalyptic number.

It is an amenable number.

121201011301 is a deficient number, since it is larger than the sum of its proper divisors (12725707163).

121201011301 is a wasteful number, since it uses less digits than its factorization.

121201011301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38580.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121201011301 its reverse (103110102121), we get a palindrome (224311113422).

The spelling of 121201011301 in words is "one hundred twenty-one billion, two hundred one million, eleven thousand, three hundred one".

Divisors: 1 17 23 391 11437 27103 194429 263051 460751 623369 4471867 10597273 309977011 5269609187 7129471253 121201011301