720210012 has 24 divisors (see below), whose sum is σ = 1738438800. Its totient is φ = 231791616.

The previous prime is 720209957. The next prime is 720210019. The reversal of 720210012 is 210012027.

720210012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×720210012² = 1037404922770080288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 720209973 and 720210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720210019) 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, 1034437 + ... + 1035132.

It is an arithmetic number, because the mean of its divisors is an integer number (72434950).

Almost surely, 2^720210012 is an apocalyptic number.

It is an amenable number.

720210012 is an abundant number, since it is smaller than the sum of its proper divisors (1018228788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720210012 is a wasteful number, since it uses less digits than its factorization.

720210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069605 (or 2069603 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 720210012 is about 26836.7287872423. The cubic root of 720210012 is about 896.3680842450.

Adding to 720210012 its reverse (210012027), we get a palindrome (930222039).

The spelling of 720210012 in words is "seven hundred twenty million, two hundred ten thousand, twelve".