1320200212 has 12 divisors (see below), whose sum is σ = 2446253460. Its totient is φ = 621270656.

The previous prime is 1320200209. The next prime is 1320200221. The reversal of 1320200212 is 2120020231.

It can be written as a sum of positive squares in 2 ways, for example, as 902161296 + 418038916 = 30036^2 + 20446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1320200192 and 1320200201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9707287 + ... + 9707422.

It is an arithmetic number, because the mean of its divisors is an integer number (203854455).

Almost surely, 2^1320200212 is an apocalyptic number.

It is an amenable number.

1320200212 is a deficient number, since it is larger than the sum of its proper divisors (1126053248).

1320200212 is a wasteful number, since it uses less digits than its factorization.

1320200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19414730 (or 19414728 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1320200212 is about 36334.5594716655. The cubic root of 1320200212 is about 1097.0167684953.

Adding to 1320200212 its reverse (2120020231), we get a palindrome (3440220443).

The spelling of 1320200212 in words is "one billion, three hundred twenty million, two hundred thousand, two hundred twelve".