263216012 has 12 divisors (see below), whose sum is σ = 461450136. Its totient is φ = 131373120.

The previous prime is 263216011. The next prime is 263216021. The reversal of 263216012 is 210612362.

It is not an unprimeable number, because it can be changed into a prime (263216011) 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, 56189 + ... + 60692.

It is an arithmetic number, because the mean of its divisors is an integer number (38454178).

Almost surely, 2^263216012 is an apocalyptic number.

It is an amenable number.

263216012 is a deficient number, since it is larger than the sum of its proper divisors (198234124).

263216012 is a wasteful number, since it uses less digits than its factorization.

263216012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117448 (or 117446 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 263216012 is about 16223.9333085414. The cubic root of 263216012 is about 640.8712190878.

Adding to 263216012 its reverse (210612362), we get a palindrome (473828374).

The spelling of 263216012 in words is "two hundred sixty-three million, two hundred sixteen thousand, twelve".