Search a number
-
+
2212000121 = 19116421059
BaseRepresentation
bin1000001111011000…
…0111000101111001
312201011021020201102
42003312013011321
514012233000441
61003254501145
7105546455642
oct20366070571
95634236642
102212000121
11a35686481
125189647b5
13293373716
1416dac26c9
15ce2dc69b
hex83d87179

2212000121 has 4 divisors (see below), whose sum is σ = 2328421200. Its totient is φ = 2095579044.

The previous prime is 2212000099. The next prime is 2212000123. The reversal of 2212000121 is 1210002122.

It is a happy number.

2212000121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2212000121 - 214 = 2211983737 is a prime.

It is a super-3 number, since 3×22120001213 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212000123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58210511 + ... + 58210548.

It is an arithmetic number, because the mean of its divisors is an integer number (582105300).

Almost surely, 22212000121 is an apocalyptic number.

It is an amenable number.

2212000121 is a deficient number, since it is larger than the sum of its proper divisors (116421079).

2212000121 is a wasteful number, since it uses less digits than its factorization.

2212000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116421078.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2212000121 is about 47031.9053515802. The cubic root of 2212000121 is about 1302.9518958365.

Adding to 2212000121 its reverse (1210002122), we get a palindrome (3422002243).

The spelling of 2212000121 in words is "two billion, two hundred twelve million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 19 116421059 2212000121