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12222120101 = 196728333389
BaseRepresentation
bin10110110000111111…
…01100000010100101
31011112210002000211212
423120133230002211
5200012330320401
65340442241205
7611606210132
oct133037540245
934483060755
1012222120101
115202082804
1224511b6205
1311ca195239
1483d31b589
154b7ee8dbb
hex2d87ec0a5

12222120101 has 16 divisors (see below), whose sum is σ = 13065873600. Its totient is φ = 11398641408.

The previous prime is 12222120077. The next prime is 12222120103. The reversal of 12222120101 is 10102122221.

12222120101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12222120101 - 214 = 12222103717 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 (12222120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3604715 + ... + 3608103.

It is an arithmetic number, because the mean of its divisors is an integer number (816617100).

Almost surely, 212222120101 is an apocalyptic number.

It is an amenable number.

12222120101 is a deficient number, since it is larger than the sum of its proper divisors (843753499).

12222120101 is a wasteful number, since it uses less digits than its factorization.

12222120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12222120101 its reverse (10102122221), we get a palindrome (22324242322).

It can be divided in two parts, 12222120 and 101, that added together give a palindrome (12222221).

The spelling of 12222120101 in words is "twelve billion, two hundred twenty-two million, one hundred twenty thousand, one hundred one".

Divisors: 1 19 67 1273 2833 3389 53827 64391 189811 227063 3606409 4314197 9601037 182419703 643269479 12222120101