312120030282 has 32 divisors (see below), whose sum is σ = 626876692992. Its totient is φ = 103600840704.

The previous prime is 312120030251. The next prime is 312120030283. The reversal of 312120030282 is 282030021213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312120030283) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4851558 + ... + 4915470.

It is an arithmetic number, because the mean of its divisors is an integer number (19589896656).

Almost surely, 2^312120030282 is an apocalyptic number.

312120030282 is an abundant number, since it is smaller than the sum of its proper divisors (314756662710).

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

312120030282 is a wasteful number, since it uses less digits than its factorization.

312120030282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67342.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 312120030282 its reverse (282030021213), we get a palindrome (594150051495).

The spelling of 312120030282 in words is "three hundred twelve billion, one hundred twenty million, thirty thousand, two hundred eighty-two".