1012304400243 has 32 divisors (see below), whose sum is σ = 1396757716992. Its totient is φ = 651470899200.

The previous prime is 1012304400199. The next prime is 1012304400257. The reversal of 1012304400243 is 3420044032101.

It is not a de Polignac number, because 1012304400243 - 2⁶ = 1012304400179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012304420243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75051046 + ... + 75064532.

It is an arithmetic number, because the mean of its divisors is an integer number (43648678656).

Almost surely, 2^{1012304400243} is an apocalyptic number.

1012304400243 is a deficient number, since it is larger than the sum of its proper divisors (384453316749).

1012304400243 is a wasteful number, since it uses less digits than its factorization.

1012304400243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15475.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1012304400243 its reverse (3420044032101), we get a palindrome (4432348432344).

The spelling of 1012304400243 in words is "one trillion, twelve billion, three hundred four million, four hundred thousand, two hundred forty-three".