12203202281 has 2 divisors, whose sum is σ = 12203202282. Its totient is φ = 12203202280.

The previous prime is 12203202217. The next prime is 12203202307. The reversal of 12203202281 is 18220230221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12052526656 + 150675625 = 109784^2 + 12275^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203202281 - 2⁶ = 12203202217 is a prime.

It is a super-2 number, since 2×12203202281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12203205281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101601140 + 6101601141.

It is an arithmetic number, because the mean of its divisors is an integer number (6101601141).

Almost surely, 2^12203202281 is an apocalyptic number.

It is an amenable number.

12203202281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203202281 is an equidigital number, since it uses as much as digits as its factorization.

12203202281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The spelling of 12203202281 in words is "twelve billion, two hundred three million, two hundred two thousand, two hundred eighty-one".