12203745361 has 2 divisors, whose sum is σ = 12203745362. Its totient is φ = 12203745360.

The previous prime is 12203745347. The next prime is 12203745373. The reversal of 12203745361 is 16354730221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11697720336 + 506025025 = 108156^2 + 22495^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203745361 - 2²⁹ = 11666874449 is a prime.

It is a super-2 number, since 2×12203745361² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12203745061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101872680 + 6101872681.

It is an arithmetic number, because the mean of its divisors is an integer number (6101872681).

Almost surely, 2^12203745361 is an apocalyptic number.

It is an amenable number.

12203745361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203745361 is an equidigital number, since it uses as much as digits as its factorization.

12203745361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 12203745361 in words is "twelve billion, two hundred three million, seven hundred forty-five thousand, three hundred sixty-one".