312303012 has 24 divisors (see below), whose sum is σ = 832808256. Its totient is φ = 89229408.

The previous prime is 312303007. The next prime is 312303029. The reversal of 312303012 is 210303213.

It is a junction number, because it is equal to n+sod(n) for n = 312302982 and 312303000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858863 + ... + 1859030.

It is an arithmetic number, because the mean of its divisors is an integer number (34700344).

Almost surely, 2^312303012 is an apocalyptic number.

It is an amenable number.

312303012 is an abundant number, since it is smaller than the sum of its proper divisors (520505244).

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

312303012 is a wasteful number, since it uses less digits than its factorization.

312303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717907 (or 3717905 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 312303012 is about 17672.0969893219. The cubic root of 312303012 is about 678.4617854581.

Adding to 312303012 its reverse (210303213), we get a palindrome (522606225).

The spelling of 312303012 in words is "three hundred twelve million, three hundred three thousand, twelve".