123222121012247 has 2 divisors, whose sum is σ = 123222121012248. Its totient is φ = 123222121012246.

The previous prime is 123222121012181. The next prime is 123222121012271. The reversal of 123222121012247 is 742210121222321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123222121012247 - 2²⁴ = 123222104235031 is a prime.

It is a super-2 number, since 2×123222121012247² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123222121012297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611060506123 + 61611060506124.

It is an arithmetic number, because the mean of its divisors is an integer number (61611060506124).

Almost surely, 2^{123222121012247} is an apocalyptic number.

123222121012247 is a deficient number, since it is larger than the sum of its proper divisors (1).

123222121012247 is an equidigital number, since it uses as much as digits as its factorization.

123222121012247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 123222121012247 its reverse (742210121222321), we get a palindrome (865432242234568).

The spelling of 123222121012247 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, one hundred twenty-one million, twelve thousand, two hundred forty-seven".