Search a number
-
+
12130221033211 = 19960955884589
BaseRepresentation
bin1011000010000100100110…
…0001000000011011111011
31120221122012221220222222111
42300201021201000123323
53042220143041030321
641444314022433151
72361244120355401
oct260411141003373
946848187828874
1012130221033211
1139574415a2506
12143ab025927b7
1369cb4b3041a8
142dd16a583471
151608053955e1
hexb08498406fb

12130221033211 has 4 divisors (see below), whose sum is σ = 12191176918000. Its totient is φ = 12069265148424.

The previous prime is 12130221033179. The next prime is 12130221033263. The reversal of 12130221033211 is 11233012203121.

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 12130221033211 - 25 = 12130221033179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12130221033611) 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, 30477942096 + ... + 30477942493.

It is an arithmetic number, because the mean of its divisors is an integer number (3047794229500).

Almost surely, 212130221033211 is an apocalyptic number.

12130221033211 is a deficient number, since it is larger than the sum of its proper divisors (60955884789).

12130221033211 is an equidigital number, since it uses as much as digits as its factorization.

12130221033211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60955884788.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12130221033211 its reverse (11233012203121), we get a palindrome (23363233236332).

The spelling of 12130221033211 in words is "twelve trillion, one hundred thirty billion, two hundred twenty-one million, thirty-three thousand, two hundred eleven".

Divisors: 1 199 60955884589 12130221033211