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122310211013 = 1912011535957
BaseRepresentation
bin111000111101001000…
…0011011010111000101
3102200201000020111020022
41301322100123113011
54000442403223023
6132104420144525
711556650432324
oct1617220332705
9380630214208
10122310211013
1147964a1a921
121b855538145
13b6c29c6133
145cc40b20bb
1532acbe27c8
hex1c7a41b5c5

122310211013 has 8 divisors (see below), whose sum is σ = 128758549920. Its totient is φ = 115862968080.

The previous prime is 122310210989. The next prime is 122310211063. The reversal of 122310211013 is 310112013221.

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 122310211013 - 212 = 122310206917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122310210982 and 122310211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122310211063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39770 + ... + 496187.

It is an arithmetic number, because the mean of its divisors is an integer number (16094818740).

Almost surely, 2122310211013 is an apocalyptic number.

It is an amenable number.

122310211013 is a deficient number, since it is larger than the sum of its proper divisors (6448338907).

122310211013 is a wasteful number, since it uses less digits than its factorization.

122310211013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547987.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 122310211013 its reverse (310112013221), we get a palindrome (432422224234).

The spelling of 122310211013 in words is "one hundred twenty-two billion, three hundred ten million, two hundred eleven thousand, thirteen".

Divisors: 1 19 12011 228209 535957 10183183 6437379527 122310211013