1230511004245 has 8 divisors (see below), whose sum is σ = 1500819979320. Its totient is φ = 968270953920.

The previous prime is 1230511004243. The next prime is 1230511004249. The reversal of 1230511004245 is 5424001150321.

It can be written as a sum of positive squares in 4 ways, for example, as 49291992324 + 1181219011921 = 222018^2 + 1086839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1230511004245 - 2¹ = 1230511004243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230511004243) 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 in 7 ways as a sum of consecutive naturals, for example, 2017230850 + ... + 2017231459.

It is an arithmetic number, because the mean of its divisors is an integer number (187602497415).

Almost surely, 2^{1230511004245} is an apocalyptic number.

It is an amenable number.

1230511004245 is a deficient number, since it is larger than the sum of its proper divisors (270308975075).

1230511004245 is an equidigital number, since it uses as much as digits as its factorization.

1230511004245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034462375.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1230511004245 its reverse (5424001150321), we get a palindrome (6654512154566).

The spelling of 1230511004245 in words is "one trillion, two hundred thirty billion, five hundred eleven million, four thousand, two hundred forty-five".