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12122302201 = 68631766327
BaseRepresentation
bin10110100101000101…
…11010011011111001
31011021211020202102121
423102202322123321
5144311302132301
65322515001241
7606254603632
oct132242723371
934254222377
1012122302201
1151607a6079
122423899221
1311b25b65a9
1482dd76889
154ae37d3a1
hex2d28ba6f9

12122302201 has 4 divisors (see below), whose sum is σ = 12124075392. Its totient is φ = 12120529012.

The previous prime is 12122302147. The next prime is 12122302211. The reversal of 12122302201 is 10220322121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10220322121 = 29033520607.

It is a cyclic number.

It is not a de Polignac number, because 12122302201 - 221 = 12120205049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122302211) 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 3 ways as a sum of consecutive naturals, for example, 876301 + ... + 890026.

It is an arithmetic number, because the mean of its divisors is an integer number (3031018848).

Almost surely, 212122302201 is an apocalyptic number.

It is an amenable number.

12122302201 is a deficient number, since it is larger than the sum of its proper divisors (1773191).

12122302201 is an equidigital number, since it uses as much as digits as its factorization.

12122302201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773190.

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

Adding to 12122302201 its reverse (10220322121), we get a palindrome (22342624322).

The spelling of 12122302201 in words is "twelve billion, one hundred twenty-two million, three hundred two thousand, two hundred one".

Divisors: 1 6863 1766327 12122302201