Search a number
-
+
12303111210221 = 131949810166843
BaseRepresentation
bin1011001100001000101010…
…0100101100010011101101
31121120011110222021222121202
42303002022210230103231
53103033232432211341
642055545443135245
72406604364542526
oct263021244542355
947504428258552
1012303111210221
113a137a159a417
121468513074525
136b3241c6cb90
1430768bdd584d
151650737de79b
hexb308a92c4ed

12303111210221 has 8 divisors (see below), whose sum is σ = 13946846716320. Its totient is φ = 10758996037872.

The previous prime is 12303111210217. The next prime is 12303111210233. The reversal of 12303111210221 is 12201211130321.

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 12303111210221 - 22 = 12303111210217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12303111210193 and 12303111210202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303111210211) 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, 24905083175 + ... + 24905083668.

It is an arithmetic number, because the mean of its divisors is an integer number (1743355839540).

Almost surely, 212303111210221 is an apocalyptic number.

It is an amenable number.

12303111210221 is a deficient number, since it is larger than the sum of its proper divisors (1643735506099).

12303111210221 is a wasteful number, since it uses less digits than its factorization.

12303111210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49810166875.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12303111210221 its reverse (12201211130321), we get a palindrome (24504322340542).

The spelling of 12303111210221 in words is "twelve trillion, three hundred three billion, one hundred eleven million, two hundred ten thousand, two hundred twenty-one".

Divisors: 1 13 19 247 49810166843 647532168959 946393170017 12303111210221