1012403210043 has 4 divisors (see below), whose sum is σ = 1349870946728. Its totient is φ = 674935473360.

The previous prime is 1012403210029. The next prime is 1012403210123. The reversal of 1012403210043 is 3400123042101.

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

It is not a de Polignac number, because 1012403210043 - 2¹³ = 1012403201851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012403210023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168733868338 + ... + 168733868343.

It is an arithmetic number, because the mean of its divisors is an integer number (337467736682).

Almost surely, 2^{1012403210043} is an apocalyptic number.

1012403210043 is a deficient number, since it is larger than the sum of its proper divisors (337467736685).

1012403210043 is an equidigital number, since it uses as much as digits as its factorization.

1012403210043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337467736684.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1012403210043 its reverse (3400123042101), we get a palindrome (4412526252144).

The spelling of 1012403210043 in words is "one trillion, twelve billion, four hundred three million, two hundred ten thousand, forty-three".