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2012212133 = 43116340237
BaseRepresentation
bin111011111101111…
…1110101110100101
312012020022222010022
41313323332232211
513110111242013
6531400404525
7100602343451
oct16773765645
95166288108
102012212133
11942928838
12481a76745
13260b61a89
14151357661
15bb9c6008
hex77efeba5

2012212133 has 8 divisors (see below), whose sum is σ = 2060829408. Its totient is φ = 1963677744.

The previous prime is 2012212117. The next prime is 2012212177. The reversal of 2012212133 is 3312122102.

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 2012212133 - 24 = 2012212117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012212933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29891 + ... + 70127.

It is an arithmetic number, because the mean of its divisors is an integer number (257603676).

Almost surely, 22012212133 is an apocalyptic number.

It is an amenable number.

2012212133 is a deficient number, since it is larger than the sum of its proper divisors (48617275).

2012212133 is a wasteful number, since it uses less digits than its factorization.

2012212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41443.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2012212133 is about 44857.6875574299. The cubic root of 2012212133 is about 1262.4802353276.

Adding to 2012212133 its reverse (3312122102), we get a palindrome (5324334235).

The spelling of 2012212133 in words is "two billion, twelve million, two hundred twelve thousand, one hundred thirty-three".

Divisors: 1 43 1163 40237 50009 1730191 46795631 2012212133