123001200001 has 2 divisors, whose sum is σ = 123001200002. Its totient is φ = 123001200000.

The previous prime is 123001199983. The next prime is 123001200037. The reversal of 123001200001 is 100002100321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120703435776 + 2297764225 = 347424^2 + 47935^2 .

It is a cyclic number.

It is not a de Polignac number, because 123001200001 - 2⁷ = 123001199873 is a prime.

It is not a weakly prime, because it can be changed into another prime (123001200071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500600000 + 61500600001.

It is an arithmetic number, because the mean of its divisors is an integer number (61500600001).

Almost surely, 2^123001200001 is an apocalyptic number.

It is an amenable number.

123001200001 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001200001 is an equidigital number, since it uses as much as digits as its factorization.

123001200001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 123001200001 its reverse (100002100321), we get a palindrome (223003300322).

The spelling of 123001200001 in words is "one hundred twenty-three billion, one million, two hundred thousand, one".