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12002211022211 = 70231317089547
BaseRepresentation
bin1010111010100111101110…
…0001100100010110000011
31120111101210201111200001222
42232221323201210112003
53033121012010202321
641305423431545255
72346062656256264
oct256517341442603
946441721450058
1012002211022211
113908122252593
12141a13822b22b
13690a5a7b0157
142d6ca54c896b
1515c3120b83ab
hexaea7b864583

12002211022211 has 4 divisors (see below), whose sum is σ = 12002228814072. Its totient is φ = 12002193230352.

The previous prime is 12002211022189. The next prime is 12002211022301. The reversal of 12002211022211 is 11222011220021.

12002211022211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12002211022211 - 26 = 12002211022147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12002211022211.

It is not an unprimeable number, because it can be changed into a prime (12002211024211) 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, 7842461 + ... + 9247086.

It is an arithmetic number, because the mean of its divisors is an integer number (3000557203518).

Almost surely, 212002211022211 is an apocalyptic number.

12002211022211 is a deficient number, since it is larger than the sum of its proper divisors (17791861).

12002211022211 is an equidigital number, since it uses as much as digits as its factorization.

12002211022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17791860.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12002211022211 its reverse (11222011220021), we get a palindrome (23224222242232).

The spelling of 12002211022211 in words is "twelve trillion, two billion, two hundred eleven million, twenty-two thousand, two hundred eleven".

Divisors: 1 702313 17089547 12002211022211