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12211201201 = 17852784239
BaseRepresentation
bin10110101111101100…
…00010010010110001
31011112000112021221011
423113312002102301
5200002031414301
65335412230521
7611414332453
oct132766022261
934460467834
1012211201201
1151a69a5221
12244960b441
1311c7b41354
1483bab82d3
154b708da51
hex2d7d824b1

12211201201 has 8 divisors (see below), whose sum is σ = 12931176960. Its totient is φ = 11491411008.

The previous prime is 12211201199. The next prime is 12211201213. The reversal of 12211201201 is 10210211221.

Adding to 12211201201 its reverse (10210211221), we get a palindrome (22421412422).

12211201201 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 a cyclic number.

It is not a de Polignac number, because 12211201201 - 21 = 12211201199 is a prime.

It is a super-2 number, since 2×122112012012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211201241) 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, 102840 + ... + 187078.

It is an arithmetic number, because the mean of its divisors is an integer number (1616397120).

Almost surely, 212211201201 is an apocalyptic number.

It is an amenable number.

12211201201 is a deficient number, since it is larger than the sum of its proper divisors (719975759).

12211201201 is an equidigital number, since it uses as much as digits as its factorization.

12211201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92783.

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

The spelling of 12211201201 in words is "twelve billion, two hundred eleven million, two hundred one thousand, two hundred one".

Divisors: 1 17 8527 84239 144959 1432063 718305953 12211201201