312207634306428 has 192 divisors, whose sum is σ = 863473533834240. Its totient is φ = 85937616340992.

The previous prime is 312207634306423. The next prime is 312207634306439. The reversal of 312207634306428 is 824603436702213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312207634306423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 674524776 + ... + 674987472.

It is an arithmetic number, because the mean of its divisors is an integer number (4497257988720).

Almost surely, 2^{312207634306428} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312207634306428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431736766917120).

312207634306428 is an abundant number, since it is smaller than the sum of its proper divisors (551265899527812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312207634306428 is a wasteful number, since it uses less digits than its factorization.

312207634306428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464884 (or 464882 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 51.

The spelling of 312207634306428 in words is "three hundred twelve trillion, two hundred seven billion, six hundred thirty-four million, three hundred six thousand, four hundred twenty-eight".