312002345443204 has 72 divisors (see below), whose sum is σ = 593168386349448. Its totient is φ = 143530344023040.

The previous prime is 312002345443199. The next prime is 312002345443219. The reversal of 312002345443204 is 402344543200213.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 208384237670400 + 103618107772804 = 14435520^2 + 10179298^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1975907584 + ... + 1976065480.

It is an arithmetic number, because the mean of its divisors is an integer number (8238449810409).

Almost surely, 2^{312002345443204} is an apocalyptic number.

It is an amenable number.

312002345443204 is a deficient number, since it is larger than the sum of its proper divisors (281166040906244).

312002345443204 is a wasteful number, since it uses less digits than its factorization.

312002345443204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167465 (or 167450 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 312002345443204 its reverse (402344543200213), we get a palindrome (714346888643417).

The spelling of 312002345443204 in words is "three hundred twelve trillion, two billion, three hundred forty-five million, four hundred forty-three thousand, two hundred four".