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2012001211001 = 19313415961309
BaseRepresentation
bin11101010001110100100…
…111100001001001111001
321010100022211020112111102
4131101310213201021321
5230431034302223001
64140144532341145
7265235160054305
oct35216447411171
97110284215442
102012001211001
1170631525a291
12285b331747b5
13117966a31162
146d54a704d05
153750b8dbe6b
hex1d4749e1279

2012001211001 has 8 divisors (see below), whose sum is σ = 2186215238400. Its totient is φ = 1844619106320.

The previous prime is 2012001210977. The next prime is 2012001211027. The reversal of 2012001211001 is 1001121002102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012001211001 - 218 = 2012000948857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012001211061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707980066 + ... + 1707981243.

It is an arithmetic number, because the mean of its divisors is an integer number (273276904800).

Almost surely, 22012001211001 is an apocalyptic number.

It is an amenable number.

2012001211001 is a deficient number, since it is larger than the sum of its proper divisors (174214027399).

2012001211001 is a wasteful number, since it uses less digits than its factorization.

2012001211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415961359.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2012001211001 its reverse (1001121002102), we get a palindrome (3013122213103).

The spelling of 2012001211001 in words is "two trillion, twelve billion, one million, two hundred eleven thousand, one".

Divisors: 1 19 31 589 3415961309 64903264871 105894800579 2012001211001