312023212 has 6 divisors (see below), whose sum is σ = 546040628. Its totient is φ = 156011604.

The previous prime is 312023197. The next prime is 312023233. The reversal of 312023212 is 212320213.

It is a super-3 number, since 3×312023212³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39002898 + ... + 39002905.

Almost surely, 2^312023212 is an apocalyptic number.

It is an amenable number.

312023212 is a deficient number, since it is larger than the sum of its proper divisors (234017416).

312023212 is a wasteful number, since it uses less digits than its factorization.

312023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78005807 (or 78005805 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 312023212 is about 17664.1787807982. The cubic root of 312023212 is about 678.2591080148.

Adding to 312023212 its reverse (212320213), we get a palindrome (524343425).

The spelling of 312023212 in words is "three hundred twelve million, twenty-three thousand, two hundred twelve".