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12207206673 = 3295311932
BaseRepresentation
bin10110101111001101…
…10011000100010001
31011111202000100110200
423113212303010101
5200000021103143
65335150445413
7611335354554
oct132746630421
934452010420
1012207206673
1151a4717062
122448203869
1311c707311c
1483b35869b
154b6a501d3
hex2d79b3111

12207206673 has 18 divisors (see below), whose sum is σ = 17665942086. Its totient is φ = 8122783872.

The previous prime is 12207206663. The next prime is 12207206689. The reversal of 12207206673 is 37660270221.

It is a happy number.

12207206673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1550154384 + 10657052289 = 39372^2 + 103233^2 .

It is not a de Polignac number, because 12207206673 - 233 = 3617272081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12207206663) 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 17 ways as a sum of consecutive naturals, for example, 10231765 + ... + 10232957.

It is an arithmetic number, because the mean of its divisors is an integer number (981441227).

Almost surely, 212207206673 is an apocalyptic number.

It is an amenable number.

12207206673 is a deficient number, since it is larger than the sum of its proper divisors (5458735413).

12207206673 is an frugal number, since it uses more digits than its factorization.

12207206673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

Adding to 12207206673 its reverse (37660270221), we get a palindrome (49867476894).

The spelling of 12207206673 in words is "twelve billion, two hundred seven million, two hundred six thousand, six hundred seventy-three".

Divisors: 1 3 9 953 1193 2859 3579 8577 10737 1136929 1423249 3410787 4269747 10232361 12809241 1356356297 4069068891 12207206673