12200201231 has 2 divisors, whose sum is σ = 12200201232. Its totient is φ = 12200201230.

The previous prime is 12200201227. The next prime is 12200201243. The reversal of 12200201231 is 13210200221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12200201231 - 2² = 12200201227 is a prime.

It is a super-2 number, since 2×12200201231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200201831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100100615 + 6100100616.

It is an arithmetic number, because the mean of its divisors is an integer number (6100100616).

Almost surely, 2^12200201231 is an apocalyptic number.

12200201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200201231 is an equidigital number, since it uses as much as digits as its factorization.

12200201231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12200201231 its reverse (13210200221), we get a palindrome (25410401452).

The spelling of 12200201231 in words is "twelve billion, two hundred million, two hundred one thousand, two hundred thirty-one".