1140212213 has 6 divisors (see below), whose sum is σ = 1326369366. Its totient is φ = 977324712.

The previous prime is 1140212207. The next prime is 1140212233. The reversal of 1140212213 is 3122120411.

It can be written as a sum of positive squares in only one way, i.e., 741091729 + 399120484 = 27223^2 + 19978^2 .

It is not a de Polignac number, because 1140212213 - 2²⁰ = 1139163637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140212191 and 1140212200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140212233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11634770 + ... + 11634867.

It is an arithmetic number, because the mean of its divisors is an integer number (221061561).

Almost surely, 2^1140212213 is an apocalyptic number.

It is an amenable number.

1140212213 is a deficient number, since it is larger than the sum of its proper divisors (186157153).

1140212213 is an equidigital number, since it uses as much as digits as its factorization.

1140212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23269651 (or 23269644 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1140212213 is about 33767.0284893415. The cubic root of 1140212213 is about 1044.7087435671.

Adding to 1140212213 its reverse (3122120411), we get a palindrome (4262332624).

The spelling of 1140212213 in words is "one billion, one hundred forty million, two hundred twelve thousand, two hundred thirteen".