1234321000001 has 2 divisors, whose sum is σ = 1234321000002. Its totient is φ = 1234321000000.

The previous prime is 1234320999997. The next prime is 1234321000037. The reversal of 1234321000001 is 1000001234321.

It is a Cunningham number, because it is equal to 1111000²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1234321000000 + 1 = 1111000^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234321000001 - 2² = 1234320999997 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234321000501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617160500000 + 617160500001.

It is an arithmetic number, because the mean of its divisors is an integer number (617160500001).

Almost surely, 2^{1234321000001} is an apocalyptic number.

It is an amenable number.

1234321000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234321000001 is an equidigital number, since it uses as much as digits as its factorization.

1234321000001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1234321000001 its reverse (1000001234321), we get a palindrome (2234322234322).

The spelling of 1234321000001 in words is "one trillion, two hundred thirty-four billion, three hundred twenty-one million, one", and thus it is an aban number.