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12121332330001 = 43403279274067
BaseRepresentation
bin1011000001100011011110…
…1101010010111000010001
31120220210021111021002110111
42300120313231102320101
53042043442034030001
641440244015001321
72360510625546646
oct260306755227021
946823244232414
1012121332330001
1139536a01091a4
121439241809241
1369c0629215ab
142dc965c5ddcd
15160484d50851
hexb0637b52e11

12121332330001 has 4 divisors (see below), whose sum is σ = 12121611647472. Its totient is φ = 12121053012532.

The previous prime is 12121332329999. The next prime is 12121332330011. The reversal of 12121332330001 is 10003323312121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12121332330001 - 21 = 12121332329999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121332330011) 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, 139593631 + ... + 139680436.

It is an arithmetic number, because the mean of its divisors is an integer number (3030402911868).

Almost surely, 212121332330001 is an apocalyptic number.

It is an amenable number.

12121332330001 is a deficient number, since it is larger than the sum of its proper divisors (279317471).

12121332330001 is an equidigital number, since it uses as much as digits as its factorization.

12121332330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279317470.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12121332330001 its reverse (10003323312121), we get a palindrome (22124655642122).

The spelling of 12121332330001 in words is "twelve trillion, one hundred twenty-one billion, three hundred thirty-two million, three hundred thirty thousand, one".

Divisors: 1 43403 279274067 12121332330001