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12112232323121 = 74339398782877
BaseRepresentation
bin1011000001000001100101…
…0011100001100000110001
31120212220210021222211210122
42300100121103201200301
53041421322433314441
641432141022140025
72360036260014440
oct260203123414061
946786707884718
1012112232323121
11394a850421357
121437522121615
1369b242527638
142dc341454d57
15160100ebc34b
hexb04194e1831

12112232323121 has 8 divisors (see below), whose sum is σ = 13845741524160. Its totient is φ = 10379520696528.

The previous prime is 12112232323069. The next prime is 12112232323127. The reversal of 12112232323121 is 12132323221121.

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 12112232323121 - 222 = 12112228128817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112232323127) 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, 199361066 + ... + 199421811.

It is an arithmetic number, because the mean of its divisors is an integer number (1730717690520).

Almost surely, 212112232323121 is an apocalyptic number.

It is an amenable number.

12112232323121 is a deficient number, since it is larger than the sum of its proper divisors (1733509201039).

12112232323121 is an equidigital number, since it uses as much as digits as its factorization.

12112232323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398787223.

The product of its digits is 1728, while the sum is 26.

Adding to 12112232323121 its reverse (12132323221121), we get a palindrome (24244555544242).

The spelling of 12112232323121 in words is "twelve trillion, one hundred twelve billion, two hundred thirty-two million, three hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 7 4339 30373 398782877 2791480139 1730318903303 12112232323121