312412 has 12 divisors (see below), whose sum is σ = 553896. Its totient is φ = 154160.

The previous prime is 312407. The next prime is 312413. The reversal of 312412 is 214213.

It is a junction number, because it is equal to n+sod(n) for n = 312392 and 312401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312413) by changing a digit.

312412 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139 + ... + 802.

It is an arithmetic number, because the mean of its divisors is an integer number (46158).

2³¹²⁴¹² is an apocalyptic number.

It is an amenable number.

312412 is a deficient number, since it is larger than the sum of its proper divisors (241484).

312412 is a wasteful number, since it uses less digits than its factorization.

312412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1026 counting only the distinct ones).

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

The square root of 312412 is about 558.9382792402. The cubic root of 312412 is about 67.8540699835.

Adding to 312412 its reverse (214213), we get a palindrome (526625).

It can be divided in two parts, 3124 and 12, that added together give a square (3136 = 56²).

The spelling of 312412 in words is "three hundred twelve thousand, four hundred twelve", and thus it is an iban number.