Search a number
-
+
1200000010211 = 1306319186181
BaseRepresentation
bin10001011101100101100…
…100110000011111100011
311020201102001201121222122
4101131211210300133203
5124130100000311321
62315134500454455
7152461055534552
oct21354544603743
94221361647878
101200000010211
11422a0a7a3832
121746996aa42b
138920c5bc552
144211a52bd99
1521334bdd8ab
hex117659307e3

1200000010211 has 4 divisors (see below), whose sum is σ = 1200009327024. Its totient is φ = 1199990693400.

The previous prime is 1200000010189. The next prime is 1200000010229. The reversal of 1200000010211 is 1120100000021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1200000010211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200000016211) 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, 4462460 + ... + 4723721.

It is an arithmetic number, because the mean of its divisors is an integer number (300002331756).

Almost surely, 21200000010211 is an apocalyptic number.

1200000010211 is a deficient number, since it is larger than the sum of its proper divisors (9316813).

1200000010211 is an equidigital number, since it uses as much as digits as its factorization.

1200000010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9316812.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1200000010211 its reverse (1120100000021), we get a palindrome (2320100010232).

The spelling of 1200000010211 in words is "one trillion, two hundred billion, ten thousand, two hundred eleven".

Divisors: 1 130631 9186181 1200000010211