1012075213 has 4 divisors (see below), whose sum is σ = 1012458780. Its totient is φ = 1011691648.

The previous prime is 1012075153. The next prime is 1012075243. The reversal of 1012075213 is 3125702101.

It is a happy number.

1012075213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 766902249 + 245172964 = 27693^2 + 15658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012075213 - 2²¹ = 1009978061 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 (1012075243) 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, 187798 + ... + 193111.

It is an arithmetic number, because the mean of its divisors is an integer number (253114695).

Almost surely, 2^1012075213 is an apocalyptic number.

It is an amenable number.

1012075213 is a deficient number, since it is larger than the sum of its proper divisors (383567).

1012075213 is an equidigital number, since it uses as much as digits as its factorization.

1012075213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383566.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1012075213 is about 31813.1295694089. The cubic root of 1012075213 is about 1004.0089776211.

Adding to 1012075213 its reverse (3125702101), we get a palindrome (4137777314).

The spelling of 1012075213 in words is "one billion, twelve million, seventy-five thousand, two hundred thirteen".