1012440211 has 4 divisors (see below), whose sum is σ = 1012861512. Its totient is φ = 1012018912.

The previous prime is 1012440179. The next prime is 1012440217. The reversal of 1012440211 is 1120442101.

It is a happy number.

1012440211 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 is a cyclic number.

It is not a de Polignac number, because 1012440211 - 2⁵ = 1012440179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012440217) 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, 207025 + ... + 211858.

It is an arithmetic number, because the mean of its divisors is an integer number (253215378).

Almost surely, 2^1012440211 is an apocalyptic number.

1012440211 is a deficient number, since it is larger than the sum of its proper divisors (421301).

1012440211 is an equidigital number, since it uses as much as digits as its factorization.

1012440211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421300.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1012440211 is about 31818.8656460283. The cubic root of 1012440211 is about 1004.1296594371.

Adding to 1012440211 its reverse (1120442101), we get a palindrome (2132882312).

The spelling of 1012440211 in words is "one billion, twelve million, four hundred forty thousand, two hundred eleven".