1012013220143 has 4 divisors (see below), whose sum is σ = 1012173127440. Its totient is φ = 1011853312848.

The previous prime is 1012013220121. The next prime is 1012013220203. The reversal of 1012013220143 is 3410223102101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012013220143 - 2³⁶ = 943293743407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012013720143) 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, 79944155 + ... + 79956812.

It is an arithmetic number, because the mean of its divisors is an integer number (253043281860).

Almost surely, 2^{1012013220143} is an apocalyptic number.

1012013220143 is a deficient number, since it is larger than the sum of its proper divisors (159907297).

1012013220143 is an equidigital number, since it uses as much as digits as its factorization.

1012013220143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159907296.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1012013220143 its reverse (3410223102101), we get a palindrome (4422236322244).

The spelling of 1012013220143 in words is "one trillion, twelve billion, thirteen million, two hundred twenty thousand, one hundred forty-three".