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12120332201 = 113723714821
BaseRepresentation
bin10110100100110110…
…11001011110101001
31011021200112200002122
423102123121132221
5144310301112301
65322404441025
7606232060325
oct132233313651
934250480078
1012120332201
11515a67aa7a
1224230a9175
1311b2076a03
1482d9c2985
154ae0de81b
hex2d26d97a9

12120332201 has 8 divisors (see below), whose sum is σ = 12230106504. Its totient is φ = 12010602240.

The previous prime is 12120332197. The next prime is 12120332209. The reversal of 12120332201 is 10223302121.

It can be written as a sum of positive squares in 4 ways, for example, as 168376576 + 11951955625 = 12976^2 + 109325^2 .

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 12120332201 - 22 = 12120332197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120332201.

It is not an unprimeable number, because it can be changed into a prime (12120332209) 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 in 7 ways as a sum of consecutive naturals, for example, 810371 + ... + 825191.

It is an arithmetic number, because the mean of its divisors is an integer number (1528763313).

Almost surely, 212120332201 is an apocalyptic number.

It is an amenable number.

12120332201 is a deficient number, since it is larger than the sum of its proper divisors (109774303).

12120332201 is a wasteful number, since it uses less digits than its factorization.

12120332201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22171.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12120332201 its reverse (10223302121), we get a palindrome (22343634322).

The spelling of 12120332201 in words is "twelve billion, one hundred twenty million, three hundred thirty-two thousand, two hundred one".

Divisors: 1 113 7237 14821 817781 1674773 107259577 12120332201