317505012000 has 192 divisors, whose sum is σ = 1134705656448. Its totient is φ = 76970880000.

The previous prime is 317505011983. The next prime is 317505012001. The reversal of 317505012000 is 210505713.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (317505012001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1070671 + ... + 1334670.

It is an arithmetic number, because the mean of its divisors is an integer number (5909925294).

Almost surely, 2^317505012000 is an apocalyptic number.

317505012000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317505012000 is an abundant number, since it is smaller than the sum of its proper divisors (817200644448).

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

317505012000 is a wasteful number, since it uses less digits than its factorization.

317505012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405380 (or 2405362 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

Adding to 317505012000 its reverse (210505713), we get a palindrome (317715517713).

The spelling of 317505012000 in words is "three hundred seventeen billion, five hundred five million, twelve thousand".