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12021032312101 = 235339172517587
BaseRepresentation
bin1010111011101101110101…
…0111000101110100100101
31120120012101102002021000201
42232323131113011310211
53033423033232441401
641322215213310501
72350330246505461
oct256733527056445
946505342067021
1012021032312101
11391510039721a
12142190b495431
13692769c08b87
142d7b6d0234a1
1515ca64601b01
hexaeedd5c5d25

12021032312101 has 16 divisors (see below), whose sum is σ = 12783627080064. Its totient is φ = 11278543591744.

The previous prime is 12021032312087. The next prime is 12021032312111. The reversal of 12021032312101 is 10121323012021.

It is a cyclic number.

It is not a de Polignac number, because 12021032312101 - 213 = 12021032303909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021032312111) 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, 3516030 + ... + 6033616.

It is an arithmetic number, because the mean of its divisors is an integer number (798976692504).

Almost surely, 212021032312101 is an apocalyptic number.

It is an amenable number.

12021032312101 is a deficient number, since it is larger than the sum of its proper divisors (762594767963).

12021032312101 is a wasteful number, since it uses less digits than its factorization.

12021032312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521580.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12021032312101 its reverse (10121323012021), we get a palindrome (22142355324122).

The spelling of 12021032312101 in words is "twelve trillion, twenty-one billion, thirty-two million, three hundred twelve thousand, one hundred one".

Divisors: 1 23 53 1219 3917 90091 207601 2517587 4774823 57904501 133432111 3068938553 9861388279 226811930417 522653578787 12021032312101