1230000000001 has 4 divisors (see below), whose sum is σ = 1234440433492. Its totient is φ = 1225559566512.

The previous prime is 1229999999951. The next prime is 1230000000013. The reversal of 1230000000001 is 1000000000321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 746107250625 + 483892749376 = 863775^2 + 695624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230000000001 - 2³⁷ = 1092561046529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230000004001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220216330 + ... + 2220216883.

It is an arithmetic number, because the mean of its divisors is an integer number (308610108373).

Almost surely, 2^{1230000000001} is an apocalyptic number.

It is an amenable number.

1230000000001 is a deficient number, since it is larger than the sum of its proper divisors (4440433491).

1230000000001 is an equidigital number, since it uses as much as digits as its factorization.

1230000000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440433490.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 1230000000001 its reverse (1000000000321), we get a palindrome (2230000000322).

The spelling of 1230000000001 in words is "one trillion, two hundred thirty billion, one", and thus it is an aban number.