780630212 has 24 divisors (see below), whose sum is σ = 1439629632. Its totient is φ = 369644000.

The previous prime is 780630211. The next prime is 780630223. The reversal of 780630212 is 212036087.

It is a happy number.

780630212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (780630211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32714 + ... + 51297.

It is an arithmetic number, because the mean of its divisors is an integer number (59984568).

Almost surely, 2^780630212 is an apocalyptic number.

It is an amenable number.

780630212 is a deficient number, since it is larger than the sum of its proper divisors (658999420).

780630212 is a wasteful number, since it uses less digits than its factorization.

780630212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84139 (or 84137 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 780630212 is about 27939.7604141481. The cubic root of 780630212 is about 920.7642562507.

Adding to 780630212 its reverse (212036087), we get a palindrome (992666299).

The spelling of 780630212 in words is "seven hundred eighty million, six hundred thirty thousand, two hundred twelve".