1020212020213 has 4 divisors (see below), whose sum is σ = 1020273595468. Its totient is φ = 1020150444960.

The previous prime is 1020212020207. The next prime is 1020212020249. The reversal of 1020212020213 is 3120202120201.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 673157893444 + 347054126769 = 820462^2 + 589113^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020212020213 - 2³⁷ = 882773066741 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 (1020212020283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30762768 + ... + 30795913.

It is an arithmetic number, because the mean of its divisors is an integer number (255068398867).

Almost surely, 2^{1020212020213} is an apocalyptic number.

It is an amenable number.

1020212020213 is a deficient number, since it is larger than the sum of its proper divisors (61575255).

1020212020213 is an equidigital number, since it uses as much as digits as its factorization.

1020212020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61575254.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1020212020213 its reverse (3120202120201), we get a palindrome (4140414140414).

The spelling of 1020212020213 in words is "one trillion, twenty billion, two hundred twelve million, twenty thousand, two hundred thirteen".