123212220303247 has 2 divisors, whose sum is σ = 123212220303248. Its totient is φ = 123212220303246.

The previous prime is 123212220303229. The next prime is 123212220303281. The reversal of 123212220303247 is 742303022212321.

It is an a-pointer prime, because the next prime (123212220303281) can be obtained adding 123212220303247 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123212220303247 - 2¹⁹ = 123212219778959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123212220304247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61606110151623 + 61606110151624.

It is an arithmetic number, because the mean of its divisors is an integer number (61606110151624).

Almost surely, 2^{123212220303247} is an apocalyptic number.

123212220303247 is a deficient number, since it is larger than the sum of its proper divisors (1).

123212220303247 is an equidigital number, since it uses as much as digits as its factorization.

123212220303247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 123212220303247 its reverse (742303022212321), we get a palindrome (865515242515568).

The spelling of 123212220303247 in words is "one hundred twenty-three trillion, two hundred twelve billion, two hundred twenty million, three hundred three thousand, two hundred forty-seven".