Search a number
BaseRepresentation
bin10110011001001010…
…00011101101110001
31011000211220002200011
423030211003231301
5144110140414301
65304541254521
7603631011163
oct131445035561
934024802604
1012022201201
11510a24577a
1223b6264441
131197938b2a
1482095a933
154a56a8a51
hex2cc943b71

12022201201 has 4 divisors (see below), whose sum is σ = 12068980452. Its totient is φ = 11975421952.

The previous prime is 12022201199. The next prime is 12022201231. The reversal of 12022201201 is 10210222021.

It is a happy number.

12022201201 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.

It can be written as a sum of positive squares in 2 ways, for example, as 9516197601 + 2506003600 = 97551^2 + 50060^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022201201 - 21 = 12022201199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022201231) 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 3 ways as a sum of consecutive naturals, for example, 23389240 + ... + 23389753.

It is an arithmetic number, because the mean of its divisors is an integer number (3017245113).

Almost surely, 212022201201 is an apocalyptic number.

It is an amenable number.

12022201201 is a deficient number, since it is larger than the sum of its proper divisors (46779251).

12022201201 is an equidigital number, since it uses as much as digits as its factorization.

12022201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46779250.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12022201201 its reverse (10210222021), we get a palindrome (22232423222).

The spelling of 12022201201 in words is "twelve billion, twenty-two million, two hundred one thousand, two hundred one".

Divisors: 1 257 46778993 12022201201