1012111330443 has 16 divisors (see below), whose sum is σ = 1380947183616. Its totient is φ = 659010048480.

The previous prime is 1012111330427. The next prime is 1012111330459. The reversal of 1012111330443 is 3440331112101.

It is a happy number.

1012111330443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1012111330427) and next prime (1012111330459).

It is not a de Polignac number, because 1012111330443 - 2⁴ = 1012111330427 is a prime.

It is a super-2 number, since 2×1012111330443² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012110330443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2029221 + ... + 2478297.

It is an arithmetic number, because the mean of its divisors is an integer number (86309198976).

Almost surely, 2^{1012111330443} is an apocalyptic number.

1012111330443 is a deficient number, since it is larger than the sum of its proper divisors (368835853173).

1012111330443 is a wasteful number, since it uses less digits than its factorization.

1012111330443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466594.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1012111330443 its reverse (3440331112101), we get a palindrome (4452442442544).

The spelling of 1012111330443 in words is "one trillion, twelve billion, one hundred eleven million, three hundred thirty thousand, four hundred forty-three".