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12112011202111 = 17797893941339
BaseRepresentation
bin1011000001000000110000…
…1000000000111000111111
31120212220012212220201210121
42300100030020000320333
53041420344331431421
641432103042515411
72360030633351662
oct260201410007077
946786185821717
1012112011202111
11394a747622917
121437480065b67
1369b2087868c2
142dc31dd356d9
151600db88ed41
hexb040c200e3f

12112011202111 has 8 divisors (see below), whose sum is σ = 12840573407760. Its totient is φ = 11385236880768.

The previous prime is 12112011202051. The next prime is 12112011202127. The reversal of 12112011202111 is 11120211021121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12112011202111 - 29 = 12112011201599 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 (12112011200111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446957121 + ... + 446984218.

It is an arithmetic number, because the mean of its divisors is an integer number (1605071675970).

Almost surely, 212112011202111 is an apocalyptic number.

12112011202111 is a deficient number, since it is larger than the sum of its proper divisors (728562205649).

12112011202111 is an equidigital number, since it uses as much as digits as its factorization.

12112011202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893942153.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 12112011202111 its reverse (11120211021121), we get a palindrome (23232222223232).

The spelling of 12112011202111 in words is "twelve trillion, one hundred twelve billion, eleven million, two hundred two thousand, one hundred eleven".

Divisors: 1 17 797 13549 893941339 15197002763 712471247183 12112011202111