1020000120013 has 4 divisors (see below), whose sum is σ = 1165714422880. Its totient is φ = 874285817148.

The previous prime is 1020000119939. The next prime is 1020000120089. The reversal of 1020000120013 is 3100210000201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020000120013 - 2³³ = 1011410185421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020000120413) 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, 72857151423 + ... + 72857151436.

It is an arithmetic number, because the mean of its divisors is an integer number (291428605720).

Almost surely, 2^{1020000120013} is an apocalyptic number.

It is an amenable number.

1020000120013 is a deficient number, since it is larger than the sum of its proper divisors (145714302867).

1020000120013 is an equidigital number, since it uses as much as digits as its factorization.

1020000120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145714302866.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1020000120013 its reverse (3100210000201), we get a palindrome (4120210120214).

The spelling of 1020000120013 in words is "one trillion, twenty billion, one hundred twenty thousand, thirteen".