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2012120201 = 713235411777
BaseRepresentation
bin111011111101110…
…1000010010001001
312012020011022000102
41313323220102021
513110100321301
6531354415145
7100601511440
oct16773502211
95166138012
102012120201
11942875763
12481a314b5
13260b2bc90
14151331d57
15bb9a8b6b
hex77ee8489

2012120201 has 32 divisors (see below), whose sum is σ = 2590361088. Its totient is φ = 1519119360.

The previous prime is 2012120189. The next prime is 2012120219. The reversal of 2012120201 is 1020212102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2012120201 - 222 = 2007925897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2012120401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1131425 + ... + 1133201.

It is an arithmetic number, because the mean of its divisors is an integer number (80948784).

Almost surely, 22012120201 is an apocalyptic number.

It is an amenable number.

2012120201 is a deficient number, since it is larger than the sum of its proper divisors (578240887).

2012120201 is a wasteful number, since it uses less digits than its factorization.

2012120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2012120201 is about 44856.6628384235. The cubic root of 2012120201 is about 1262.4610087099.

Adding to 2012120201 its reverse (1020212102), we get a palindrome (3032332303).

The spelling of 2012120201 in words is "two billion, twelve million, one hundred twenty thousand, two hundred one".

Divisors: 1 7 13 23 91 161 299 541 1777 2093 3787 7033 12439 12443 23101 40871 49231 87101 161707 161759 286097 531323 961357 1132313 3719261 6729499 12497641 22111211 87483487 154778477 287445743 2012120201