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12112110231301 = 73165919318237
BaseRepresentation
bin1011000001000001001000…
…0001110001111100000101
31120212220110210020221022101
42300100102001301330011
53041421100204400201
641432120541232101
72360033245161553
oct260202201617405
946786423227271
1012112110231301
11394a798510a23
1214374a9262631
1369b22314a562
142dc32d152bd3
151600e5401d01
hexb0412071f05

12112110231301 has 4 divisors (see below), whose sum is σ = 12278029549612. Its totient is φ = 11946190912992.

The previous prime is 12112110231271. The next prime is 12112110231407. The reversal of 12112110231301 is 10313201121121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10245536748225 + 1866573483076 = 3200865^2 + 1366226^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112110231301 - 223 = 12112101842693 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 (12112110231101) 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, 82959659046 + ... + 82959659191.

It is an arithmetic number, because the mean of its divisors is an integer number (3069507387403).

Almost surely, 212112110231301 is an apocalyptic number.

It is an amenable number.

12112110231301 is a deficient number, since it is larger than the sum of its proper divisors (165919318311).

12112110231301 is an equidigital number, since it uses as much as digits as its factorization.

12112110231301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165919318310.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12112110231301 its reverse (10313201121121), we get a palindrome (22425311352422).

The spelling of 12112110231301 in words is "twelve trillion, one hundred twelve billion, one hundred ten million, two hundred thirty-one thousand, three hundred one".

Divisors: 1 73 165919318237 12112110231301