312112401 has 8 divisors (see below), whose sum is σ = 440629344. Its totient is φ = 195835200.

The previous prime is 312112393. The next prime is 312112421. The reversal of 312112401 is 104211213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312112401 - 2³ = 312112393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312112421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3059875 + ... + 3059976.

It is an arithmetic number, because the mean of its divisors is an integer number (55078668).

Almost surely, 2^312112401 is an apocalyptic number.

It is an amenable number.

312112401 is a deficient number, since it is larger than the sum of its proper divisors (128516943).

312112401 is a wasteful number, since it uses less digits than its factorization.

312112401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119871.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 312112401 is about 17666.7031729183. The cubic root of 312112401 is about 678.3237265927.

Adding to 312112401 its reverse (104211213), we get a palindrome (416323614).

The spelling of 312112401 in words is "three hundred twelve million, one hundred twelve thousand, four hundred one".