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12130201231121 = 231322939866963
BaseRepresentation
bin1011000010000100100001…
…0101011101111100010001
31120221122011120122221121202
42300201020111131330101
53042220123003343441
641444312034200545
72361243460142351
oct260411025357421
946848146587552
1012130201231121
1139574313a7946
12143aab7a23155
1369cb4718cb8c
142dd167aaab61
1516080378319b
hexb084855df11

12130201231121 has 8 divisors (see below), whose sum is σ = 12658558409280. Its totient is φ = 11601923813392.

The previous prime is 12130201231111. The next prime is 12130201231157. The reversal of 12130201231121 is 12113210203121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12130201231121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12130201231093 and 12130201231102.

It is not an unprimeable number, because it can be changed into a prime (12130201231111) 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, 19629215 + ... + 20237748.

It is an arithmetic number, because the mean of its divisors is an integer number (1582319801160).

Almost surely, 212130201231121 is an apocalyptic number.

It is an amenable number.

12130201231121 is a deficient number, since it is larger than the sum of its proper divisors (528357178159).

12130201231121 is a wasteful number, since it uses less digits than its factorization.

12130201231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39880215.

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

Adding to 12130201231121 its reverse (12113210203121), we get a palindrome (24243411434242).

The spelling of 12130201231121 in words is "twelve trillion, one hundred thirty billion, two hundred one million, two hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 23 13229 304267 39866963 916940149 527400053527 12130201231121