312000205 has 8 divisors (see below), whose sum is σ = 408436704. Its totient is φ = 226909200.

The previous prime is 312000193. The next prime is 312000223. The reversal of 312000205 is 502000213.

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

It is not a de Polignac number, because 312000205 - 2⁷ = 312000077 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2836311 + ... + 2836420.

It is an arithmetic number, because the mean of its divisors is an integer number (51054588).

Almost surely, 2^312000205 is an apocalyptic number.

It is an amenable number.

312000205 is a deficient number, since it is larger than the sum of its proper divisors (96436499).

312000205 is a wasteful number, since it uses less digits than its factorization.

312000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672747.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 312000205 is about 17663.5275355745. The cubic root of 312000205 is about 678.2424371495.

Adding to 312000205 its reverse (502000213), we get a palindrome (814000418).

It can be divided in two parts, 31200020 and 5, that multiplied together give a square (156000100 = 12490²).

The spelling of 312000205 in words is "three hundred twelve million, two hundred five", and thus it is an aban number.