201234400001 has 2 divisors, whose sum is σ = 201234400002. Its totient is φ = 201234400000.

The previous prime is 201234399991. The next prime is 201234400039. The reversal of 201234400001 is 100004432102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123183450625 + 78050949376 = 350975^2 + 279376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201234400001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201234490001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100617200000 + 100617200001.

It is an arithmetic number, because the mean of its divisors is an integer number (100617200001).

Almost surely, 2^201234400001 is an apocalyptic number.

It is an amenable number.

201234400001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201234400001 is an equidigital number, since it uses as much as digits as its factorization.

201234400001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201234400001 its reverse (100004432102), we get a palindrome (301238832103).

The spelling of 201234400001 in words is "two hundred one billion, two hundred thirty-four million, four hundred thousand, one".