1012020011213 has 2 divisors, whose sum is σ = 1012020011214. Its totient is φ = 1012020011212.

The previous prime is 1012020011183. The next prime is 1012020011221. The reversal of 1012020011213 is 3121100202101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560668493284 + 451351517929 = 748778^2 + 671827^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012020011213 - 2¹⁰ = 1012020010189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012020011713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506010005606 + 506010005607.

It is an arithmetic number, because the mean of its divisors is an integer number (506010005607).

Almost surely, 2^{1012020011213} is an apocalyptic number.

It is an amenable number.

1012020011213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012020011213 is an equidigital number, since it uses as much as digits as its factorization.

1012020011213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1012020011213 its reverse (3121100202101), we get a palindrome (4133120213314).

The spelling of 1012020011213 in words is "one trillion, twelve billion, twenty million, eleven thousand, two hundred thirteen".