Search a number
-
+
2012201212111 = 171091085915387
BaseRepresentation
bin11101010010000000100…
…010011101100011001111
321010100211202120122102221
4131102000202131203033
5230431442002241421
64140220435200211
7265243136045026
oct35220042354317
97110752518387
102012201212111
11706408143062
12285b8a146067
131179992b8acc
146d5690c78bd
153751e246841
hex1d48089d8cf

2012201212111 has 8 divisors (see below), whose sum is σ = 2150112468240. Its totient is φ = 1876461787008.

The previous prime is 2012201212061. The next prime is 2012201212127. The reversal of 2012201212111 is 1112121022102.

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 2012201212111 - 27 = 2012201211983 is a prime.

It is a super-2 number, since 2×20122012121112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012201213111) 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 7 ways as a sum of consecutive naturals, for example, 542955841 + ... + 542959546.

It is an arithmetic number, because the mean of its divisors is an integer number (268764058530).

Almost surely, 22012201212111 is an apocalyptic number.

2012201212111 is a deficient number, since it is larger than the sum of its proper divisors (137911256129).

2012201212111 is a wasteful number, since it uses less digits than its factorization.

2012201212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085915513.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2012201212111 its reverse (1112121022102), we get a palindrome (3124322234213).

The spelling of 2012201212111 in words is "two trillion, twelve billion, two hundred one million, two hundred twelve thousand, one hundred eleven".

Divisors: 1 17 109 1853 1085915387 18460561579 118364777183 2012201212111