312773285720 has 384 divisors, whose sum is σ = 891073612800. Its totient is φ = 98187393024.

The previous prime is 312773285659. The next prime is 312773285723. The reversal of 312773285720 is 27582377213.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312773285723) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 145272164 + ... + 145274316.

It is an arithmetic number, because the mean of its divisors is an integer number (2320504200).

Almost surely, 2^312773285720 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 312773285720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445536806400).

312773285720 is an abundant number, since it is smaller than the sum of its proper divisors (578300327080).

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

312773285720 is a wasteful number, since it uses less digits than its factorization.

312773285720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 312773285720 in words is "three hundred twelve billion, seven hundred seventy-three million, two hundred eighty-five thousand, seven hundred twenty".