1020512213 has 8 divisors (see below), whose sum is σ = 1166593920. Its totient is φ = 874504080.

The previous prime is 1020512201. The next prime is 1020512237. The reversal of 1020512213 is 3122150201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020512213 - 2²⁴ = 1003734997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020512191 and 1020512200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020512113) 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 7 ways as a sum of consecutive naturals, for example, 15503 + ... + 47763.

It is an arithmetic number, because the mean of its divisors is an integer number (145824240).

Almost surely, 2^1020512213 is an apocalyptic number.

It is an amenable number.

1020512213 is a deficient number, since it is larger than the sum of its proper divisors (146081707).

1020512213 is an equidigital number, since it uses as much as digits as its factorization.

1020512213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36787.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1020512213 is about 31945.4568444403. The cubic root of 1020512213 is about 1006.7911798068.

Adding to 1020512213 its reverse (3122150201), we get a palindrome (4142662414).

The spelling of 1020512213 in words is "one billion, twenty million, five hundred twelve thousand, two hundred thirteen".