1223200232201 has 2 divisors, whose sum is σ = 1223200232202. Its totient is φ = 1223200232200.

The previous prime is 1223200232183. The next prime is 1223200232251. The reversal of 1223200232201 is 1022320023221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1149569952400 + 73630279801 = 1072180^2 + 271349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223200232201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223200232251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611600116100 + 611600116101.

It is an arithmetic number, because the mean of its divisors is an integer number (611600116101).

Almost surely, 2^{1223200232201} is an apocalyptic number.

It is an amenable number.

1223200232201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223200232201 is an equidigital number, since it uses as much as digits as its factorization.

1223200232201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1223200232201 its reverse (1022320023221), we get a palindrome (2245520255422).

It can be divided in two parts, 122320023220 and 1, that added together give a palindrome (122320023221).

The spelling of 1223200232201 in words is "one trillion, two hundred twenty-three billion, two hundred million, two hundred thirty-two thousand, two hundred one".