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2012202213 = 37233411241
BaseRepresentation
bin111011111101111…
…1100010011100101
312012020022110111220
41313323330103211
513110110432323
6531400250553
7100602302520
oct16773742345
95166273456
102012202213
1194292133a
12481a70a59
13260b5a3c8
14151353bb7
15bb9c30e3
hex77efc4e5

2012202213 has 16 divisors (see below), whose sum is σ = 3079380096. Its totient is φ = 1144892160.

The previous prime is 2012202209. The next prime is 2012202221. The reversal of 2012202213 is 3122022102.

It is a happy number.

It is not a de Polignac number, because 2012202213 - 22 = 2012202209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012202192 and 2012202201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012202233) 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, 200728 + ... + 210513.

It is an arithmetic number, because the mean of its divisors is an integer number (192461256).

Almost surely, 22012202213 is an apocalyptic number.

It is an amenable number.

2012202213 is a deficient number, since it is larger than the sum of its proper divisors (1067177883).

2012202213 is a wasteful number, since it uses less digits than its factorization.

2012202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411484.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2012202213 is about 44857.5769853879. The cubic root of 2012202213 is about 1262.4781606914.

Adding to 2012202213 its reverse (3122022102), we get a palindrome (5134224315).

The spelling of 2012202213 in words is "two billion, twelve million, two hundred two thousand, two hundred thirteen".

Divisors: 1 3 7 21 233 699 1631 4893 411241 1233723 2878687 8636061 95819153 287457459 670734071 2012202213