Search a number
-
+
1200220201201 = 72712068130593
BaseRepresentation
bin10001011101110010101…
…100101110000011110001
311020201222102001111020111
4101131302230232003301
5124131022332414301
62315212404141321
7152466401245030
oct21356254560361
94221872044214
101200220201201
1142301301755a
1217473b397841
13892460c5b88
144213b888717
15213491d5551
hex11772b2e0f1

1200220201201 has 16 divisors (see below), whose sum is σ = 1376853355008. Its totient is φ = 1024880947200.

The previous prime is 1200220201199. The next prime is 1200220201223. The reversal of 1200220201201 is 1021020220021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1200220201201 - 21 = 1200220201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200220204201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39216561 + ... + 39247153.

It is an arithmetic number, because the mean of its divisors is an integer number (86053334688).

Almost surely, 21200220201201 is an apocalyptic number.

It is an amenable number.

1200220201201 is a deficient number, since it is larger than the sum of its proper divisors (176633153807).

1200220201201 is a wasteful number, since it uses less digits than its factorization.

1200220201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51552.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200220201201 its reverse (1021020220021), we get a palindrome (2221240421222).

The spelling of 1200220201201 in words is "one trillion, two hundred billion, two hundred twenty million, two hundred one thousand, two hundred one".

Divisors: 1 7 271 1897 20681 30593 144767 214151 5604551 8290703 39231857 58034921 632693833 4428856831 171460028743 1200220201201