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12220310041 = 59207123899
BaseRepresentation
bin10110110000110001…
…10010001000011001
31011112122200001220121
423120120302020121
5200011344410131
65340335353241
7611554631032
oct133030621031
934478601817
1012220310041
115201056895
122450682821
1311c99b03b4
1483cda9a89
154b7c8c911
hex2d8632219

12220310041 has 4 divisors (see below), whose sum is σ = 12427434000. Its totient is φ = 12013186084.

The previous prime is 12220310017. The next prime is 12220310057. The reversal of 12220310041 is 14001302221.

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: 14001302221 = 17823606013.

It is a cyclic number.

It is not a de Polignac number, because 12220310041 - 211 = 12220307993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220309997 and 12220310024.

It is not an unprimeable number, because it can be changed into a prime (12220311041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103561891 + ... + 103562008.

It is an arithmetic number, because the mean of its divisors is an integer number (3106858500).

Almost surely, 212220310041 is an apocalyptic number.

It is an amenable number.

12220310041 is a deficient number, since it is larger than the sum of its proper divisors (207123959).

12220310041 is an equidigital number, since it uses as much as digits as its factorization.

12220310041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207123958.

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

Adding to 12220310041 its reverse (14001302221), we get a palindrome (26221612262).

The spelling of 12220310041 in words is "twelve billion, two hundred twenty million, three hundred ten thousand, forty-one".

Divisors: 1 59 207123899 12220310041