1012445313123 has 4 divisors (see below), whose sum is σ = 1349927084168. Its totient is φ = 674963542080.

The previous prime is 1012445313119. The next prime is 1012445313157. The reversal of 1012445313123 is 3213135442101.

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

It is not a de Polignac number, because 1012445313123 - 2² = 1012445313119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012445313193) 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 3 ways as a sum of consecutive naturals, for example, 168740885518 + ... + 168740885523.

It is an arithmetic number, because the mean of its divisors is an integer number (337481771042).

Almost surely, 2^{1012445313123} is an apocalyptic number.

1012445313123 is a deficient number, since it is larger than the sum of its proper divisors (337481771045).

1012445313123 is an equidigital number, since it uses as much as digits as its factorization.

1012445313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337481771044.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 1012445313123 in words is "one trillion, twelve billion, four hundred forty-five million, three hundred thirteen thousand, one hundred twenty-three".