312225013204 has 12 divisors (see below), whose sum is σ = 588424063444. Its totient is φ = 144103852224.

The previous prime is 312225013171. The next prime is 312225013211. The reversal of 312225013204 is 402310522213.

It can be written as a sum of positive squares in 2 ways, for example, as 49724540100 + 262500473104 = 222990^2 + 512348^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002163537 + ... + 3002163640.

Almost surely, 2^312225013204 is an apocalyptic number.

It is an amenable number.

312225013204 is a deficient number, since it is larger than the sum of its proper divisors (276199050240).

312225013204 is a wasteful number, since it uses less digits than its factorization.

312225013204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004327194 (or 6004327192 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 312225013204 its reverse (402310522213), we get a palindrome (714535535417).

The spelling of 312225013204 in words is "three hundred twelve billion, two hundred twenty-five million, thirteen thousand, two hundred four".