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2012001211 = 115315972161
BaseRepresentation
bin111011111101100…
…1011001110111011
312012012221020210101
41313323023032323
513110033014321
6531352100231
7100600504513
oct16773131673
95165836711
102012001211
119427a4320
12481994677
13260ab9a7c
14151300843
15bb983791
hex77ecb3bb

2012001211 has 16 divisors (see below), whose sum is σ = 2238759648. Its totient is φ = 1792627200.

The previous prime is 2012001209. The next prime is 2012001217. The reversal of 2012001211 is 1121002102.

It is a cyclic number.

It is not a de Polignac number, because 2012001211 - 21 = 2012001209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012001217) 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, 929971 + ... + 932131.

It is an arithmetic number, because the mean of its divisors is an integer number (139922478).

Almost surely, 22012001211 is an apocalyptic number.

2012001211 is a deficient number, since it is larger than the sum of its proper divisors (226758437).

2012001211 is a wasteful number, since it uses less digits than its factorization.

2012001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2012001211 is about 44855.3364829649. The cubic root of 2012001211 is about 1262.4361223244.

Adding to 2012001211 its reverse (1121002102), we get a palindrome (3133003313).

The spelling of 2012001211 in words is "two billion, twelve million, one thousand, two hundred eleven".

Divisors: 1 11 53 583 1597 2161 17567 23771 84641 114533 931051 1259863 3451117 37962287 182909201 2012001211