Search a number
-
+
12130211001231 = 321347801222359
BaseRepresentation
bin1011000010000100100011…
…1010101111001110001111
31120221122012021001022200200
42300201020322233032033
53042220133004014411
641444313023424543
72361243636163551
oct260411072571617
946848167038620
1012130211001231
113957436970314
12143aabb155153
1369cb49200bcb
142dd1690d14d1
15160804562e56
hexb0848eaf38f

12130211001231 has 6 divisors (see below), whose sum is σ = 17521415890680. Its totient is φ = 8086807334148.

The previous prime is 12130211001211. The next prime is 12130211001247. The reversal of 12130211001231 is 13210011203121.

12130211001231 is a `hidden beast` number, since 1 + 21 + 302 + 110 + 0 + 1 + 231 = 666.

12130211001231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12130211001231 - 225 = 12130177446799 is a prime.

It is a super-2 number, since 2×121302110012312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130211001211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673900611171 + ... + 673900611188.

It is an arithmetic number, because the mean of its divisors is an integer number (2920235981780).

Almost surely, 212130211001231 is an apocalyptic number.

12130211001231 is a deficient number, since it is larger than the sum of its proper divisors (5391204889449).

12130211001231 is a wasteful number, since it uses less digits than its factorization.

12130211001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347801222365 (or 1347801222362 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12130211001231 its reverse (13210011203121), we get a palindrome (25340222204352).

The spelling of 12130211001231 in words is "twelve trillion, one hundred thirty billion, two hundred eleven million, one thousand, two hundred thirty-one".

Divisors: 1 3 9 1347801222359 4043403667077 12130211001231