312202012 has 24 divisors (see below), whose sum is σ = 568524096. Its totient is φ = 149892288.

The previous prime is 312202001. The next prime is 312202019. The reversal of 312202012 is 210202213.

It is a junction number, because it is equal to n+sod(n) for n = 312201983 and 312202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312202019) 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, 5703 + ... + 25630.

It is an arithmetic number, because the mean of its divisors is an integer number (23688504).

Almost surely, 2^312202012 is an apocalyptic number.

It is an amenable number.

312202012 is a deficient number, since it is larger than the sum of its proper divisors (256322084).

312202012 is a wasteful number, since it uses less digits than its factorization.

312202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31437 (or 31435 counting only the distinct ones).

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

The square root of 312202012 is about 17669.2391460413. The cubic root of 312202012 is about 678.3886385185.

Adding to 312202012 its reverse (210202213), we get a palindrome (522404225).

The spelling of 312202012 in words is "three hundred twelve million, two hundred two thousand, twelve".