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22123201207 is a prime number
BaseRepresentation
bin10100100110101001…
…010100001010110111
32010002210201001202111
4110212221110022313
5330302014414312
614055132551451
71412143051612
oct244651241267
963083631674
1022123201207
119422a74568
124355022587
13211752a003
1410dc291179
158973678a7
hex526a542b7

22123201207 has 2 divisors, whose sum is σ = 22123201208. Its totient is φ = 22123201206.

The previous prime is 22123201151. The next prime is 22123201229. The reversal of 22123201207 is 70210232122.

It is an a-pointer prime, because the next prime (22123201229) can be obtained adding 22123201207 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22123201207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123241207) 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 as a sum of consecutive naturals, namely, 11061600603 + 11061600604.

It is an arithmetic number, because the mean of its divisors is an integer number (11061600604).

Almost surely, 222123201207 is an apocalyptic number.

22123201207 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123201207 is an equidigital number, since it uses as much as digits as its factorization.

22123201207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 22123201207 its reverse (70210232122), we get a palindrome (92333433329).

The spelling of 22123201207 in words is "twenty-two billion, one hundred twenty-three million, two hundred one thousand, two hundred seven".