12223231010281 has 2 divisors, whose sum is σ = 12223231010282. Its totient is φ = 12223231010280.

The previous prime is 12223231010273. The next prime is 12223231010321. The reversal of 12223231010281 is 18201013232221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10429935070681 + 1793295939600 = 3229541^2 + 1339140^2 .

It is a cyclic number.

It is not a de Polignac number, because 12223231010281 - 2³ = 12223231010273 is a prime.

It is a super-2 number, since 2×12223231010281² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12223231010381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111615505140 + 6111615505141.

It is an arithmetic number, because the mean of its divisors is an integer number (6111615505141).

Almost surely, 2^{12223231010281} is an apocalyptic number.

It is an amenable number.

12223231010281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223231010281 is an equidigital number, since it uses as much as digits as its factorization.

12223231010281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 12223231010281 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, ten thousand, two hundred eighty-one".