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1241212223 is a prime number
BaseRepresentation
bin100100111111011…
…0110010100111111
310012111120010002002
41021332312110333
510020222242343
6323055252515
742521062346
oct11176662477
93174503062
101241212223
115876a5129
122a781a13b
1316a1c3a04
14babbab5d
1573e7b8b8
hex49fb653f

1241212223 has 2 divisors, whose sum is σ = 1241212224. Its totient is φ = 1241212222.

The previous prime is 1241212199. The next prime is 1241212241. The reversal of 1241212223 is 3222121421.

It is a strong prime.

It is an emirp because it is prime and its reverse (3222121421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241212223 - 212 = 1241208127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241212195 and 1241212204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241212123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620606111 + 620606112.

It is an arithmetic number, because the mean of its divisors is an integer number (620606112).

Almost surely, 21241212223 is an apocalyptic number.

1241212223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241212223 is an equidigital number, since it uses as much as digits as its factorization.

1241212223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 1241212223 is about 35230.8419286284. The cubic root of 1241212223 is about 1074.6870473196.

Adding to 1241212223 its reverse (3222121421), we get a palindrome (4463333644).

The spelling of 1241212223 in words is "one billion, two hundred forty-one million, two hundred twelve thousand, two hundred twenty-three".