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12207820433 = 43927808247
BaseRepresentation
bin10110101111010010…
…01000111010010001
31011111210011112101112
423113221020322101
5200000200223213
65335211543105
7611343522134
oct132751107221
934453145345
1012207820433
1151a4aa61a6
12244845aa95
1311c72295b3
1483b47821b
154b6b21ea8
hex2d7a48e91

12207820433 has 4 divisors (see below), whose sum is σ = 12235629120. Its totient is φ = 12180011748.

The previous prime is 12207820403. The next prime is 12207820447. The reversal of 12207820433 is 33402870221.

12207820433 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12207820433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12207820433.

It is not an unprimeable number, because it can be changed into a prime (12207820403) 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, 13903685 + ... + 13904562.

It is an arithmetic number, because the mean of its divisors is an integer number (3058907280).

Almost surely, 212207820433 is an apocalyptic number.

It is an amenable number.

12207820433 is a deficient number, since it is larger than the sum of its proper divisors (27808687).

12207820433 is an equidigital number, since it uses as much as digits as its factorization.

12207820433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27808686.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 12207820433 in words is "twelve billion, two hundred seven million, eight hundred twenty thousand, four hundred thirty-three".

Divisors: 1 439 27808247 12207820433