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2012101201 = 11182918291
BaseRepresentation
bin111011111101110…
…0011101001010001
312012020010022221201
41313323203221101
513110044214301
6531354151201
7100601402155
oct16773435121
95166108851
102012101201
11942862460
12481a22501
13260b23436
14151329065
15bb9a3201
hex77ee3a51

2012101201 has 4 divisors (see below), whose sum is σ = 2195019504. Its totient is φ = 1829182900.

The previous prime is 2012101183. The next prime is 2012101237. The reversal of 2012101201 is 1021012102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012101201 - 27 = 2012101073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012101271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91459135 + ... + 91459156.

It is an arithmetic number, because the mean of its divisors is an integer number (548754876).

Almost surely, 22012101201 is an apocalyptic number.

It is an amenable number.

2012101201 is a deficient number, since it is larger than the sum of its proper divisors (182918303).

2012101201 is a wasteful number, since it uses less digits than its factorization.

2012101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182918302.

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

The square root of 2012101201 is about 44856.4510522177. The cubic root of 2012101201 is about 1262.4570349853.

Adding to 2012101201 its reverse (1021012102), we get a palindrome (3033113303).

The spelling of 2012101201 in words is "two billion, twelve million, one hundred one thousand, two hundred one".

Divisors: 1 11 182918291 2012101201