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12001223230103 = 16373627136381
BaseRepresentation
bin1010111010100100000010…
…1001011100001010010111
31120111022020212210122001002
42232221000221130022113
53033112001121330403
641305141424053515
72346026333212022
oct256510051341227
946438225718032
1012001223230103
113907765707778
121419b0146429b
13690930c58793
142d6c102381b9
1515c2a54e9188
hexaea40a5c297

12001223230103 has 4 divisors (see below), whose sum is σ = 12074850366648. Its totient is φ = 11927596093560.

The previous prime is 12001223230097. The next prime is 12001223230121. The reversal of 12001223230103 is 30103232210021.

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

It is a cyclic number.

It is not a de Polignac number, because 12001223230103 - 28 = 12001223229847 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 (12001223230153) 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, 36813568028 + ... + 36813568353.

It is an arithmetic number, because the mean of its divisors is an integer number (3018712591662).

Almost surely, 212001223230103 is an apocalyptic number.

12001223230103 is a deficient number, since it is larger than the sum of its proper divisors (73627136545).

12001223230103 is an equidigital number, since it uses as much as digits as its factorization.

12001223230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73627136544.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12001223230103 its reverse (30103232210021), we get a palindrome (42104455440124).

The spelling of 12001223230103 in words is "twelve trillion, one billion, two hundred twenty-three million, two hundred thirty thousand, one hundred three".

Divisors: 1 163 73627136381 12001223230103