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12021322201 = 72118139013
BaseRepresentation
bin10110011001000011…
…01101000111011001
31011000210020102220121
423030201231013121
5144104424302301
65304510353241
7603620360410
oct131441550731
934023212817
1012021322201
1151097a5329
1223b5abb821
1311976bba05
148207ac477
154a55833a1
hex2cc86d1d9

12021322201 has 8 divisors (see below), whose sum is σ = 13803767744. Its totient is φ = 10255155120.

The previous prime is 12021322199. The next prime is 12021322223. The reversal of 12021322201 is 10222312021.

It is a happy number.

12021322201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12021322201 - 21 = 12021322199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021322601) 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 7 ways as a sum of consecutive naturals, for example, 4068030 + ... + 4070983.

It is an arithmetic number, because the mean of its divisors is an integer number (1725470968).

Almost surely, 212021322201 is an apocalyptic number.

It is an amenable number.

12021322201 is a deficient number, since it is larger than the sum of its proper divisors (1782445543).

12021322201 is an equidigital number, since it uses as much as digits as its factorization.

12021322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8139231.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12021322201 its reverse (10222312021), we get a palindrome (22243634222).

The spelling of 12021322201 in words is "twelve billion, twenty-one million, three hundred twenty-two thousand, two hundred one".

Divisors: 1 7 211 1477 8139013 56973091 1717331743 12021322201