1320212 has 6 divisors (see below), whose sum is σ = 2310378. Its totient is φ = 660104.

The previous prime is 1320211. The next prime is 1320247. The reversal of 1320212 is 2120231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 538756 = 884^2 + 734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1320193 and 1320202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165023 + ... + 165030.

It is an arithmetic number, because the mean of its divisors is an integer number (385063).

2^1320212 is an apocalyptic number.

It is an amenable number.

1320212 is a deficient number, since it is larger than the sum of its proper divisors (990166).

1320212 is a wasteful number, since it uses less digits than its factorization.

1320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330057 (or 330055 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1320212 is about 1149.0047867611. The cubic root of 1320212 is about 109.7020033554.

Subtracting from 1320212 its sum of digits (11), we obtain a square (1320201 = 1149²).

Adding to 1320212 its reverse (2120231), we get a palindrome (3440443).

The spelling of 1320212 in words is "one million, three hundred twenty thousand, two hundred twelve".