Search a number
-
+
12200212111 is a prime number
BaseRepresentation
bin10110101110011000…
…00111011010001111
31011111020211222201211
423113030013122033
5144441223241421
65334340515251
7611222043343
oct132714073217
934436758654
1012200212111
1151a0779a2a
1224459abb27
1311c5794529
1483a457623
154b611c9e1
hex2d730768f

12200212111 has 2 divisors, whose sum is σ = 12200212112. Its totient is φ = 12200212110.

The previous prime is 12200212103. The next prime is 12200212121. The reversal of 12200212111 is 11121200221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12200212111 - 23 = 12200212103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12200212091 and 12200212100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200212121) 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 as a sum of consecutive naturals, namely, 6100106055 + 6100106056.

It is an arithmetic number, because the mean of its divisors is an integer number (6100106056).

Almost surely, 212200212111 is an apocalyptic number.

12200212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200212111 is an equidigital number, since it uses as much as digits as its factorization.

12200212111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12200212111 its reverse (11121200221), we get a palindrome (23321412332).

The spelling of 12200212111 in words is "twelve billion, two hundred million, two hundred twelve thousand, one hundred eleven".