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1200223020211 = 3453734751803
BaseRepresentation
bin10001011101110010110…
…111011110010010110011
311020201222121100201012021
4101131302313132102303
5124131024043121321
62315212544412311
7152466434225515
oct21356267362263
94221877321167
101200223020211
11423014672516
12174740317097
1389246872027
144213bdbdbb5
1521349590941
hex11772dde4b3

1200223020211 has 4 divisors (see below), whose sum is σ = 1200257806552. Its totient is φ = 1200188233872.

The previous prime is 1200223020209. The next prime is 1200223020263. The reversal of 1200223020211 is 1120203220021.

It is a happy number.

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 1200223020211 - 21 = 1200223020209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200223020811) 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, 17341365 + ... + 17410438.

It is an arithmetic number, because the mean of its divisors is an integer number (300064451638).

Almost surely, 21200223020211 is an apocalyptic number.

1200223020211 is a deficient number, since it is larger than the sum of its proper divisors (34786341).

1200223020211 is an equidigital number, since it uses as much as digits as its factorization.

1200223020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34786340.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1200223020211 its reverse (1120203220021), we get a palindrome (2320426240232).

The spelling of 1200223020211 in words is "one trillion, two hundred billion, two hundred twenty-three million, twenty thousand, two hundred eleven".

Divisors: 1 34537 34751803 1200223020211