1012213 has 2 divisors, whose sum is σ = 1012214. Its totient is φ = 1012212.

The previous prime is 1012201. The next prime is 1012217. The reversal of 1012213 is 3122101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611524 + 400689 = 782^2 + 633^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012213 - 2¹⁷ = 881141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506106 + 506107.

It is an arithmetic number, because the mean of its divisors is an integer number (506107).

2^1012213 is an apocalyptic number.

It is an amenable number.

1012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012213 is an equidigital number, since it uses as much as digits as its factorization.

1012213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1012213 is about 1006.0879683209. The cubic root of 1012213 is about 100.4054538500.

Adding to 1012213 its reverse (3122101), we get a palindrome (4134314).

It can be divided in two parts, 1012 and 213, that added together give a triangular number (1225 = T₄₉).

The spelling of 1012213 in words is "one million, twelve thousand, two hundred thirteen".