312231011122 has 8 divisors (see below), whose sum is σ = 495896311836. Its totient is φ = 146932240512.

The previous prime is 312231011093. The next prime is 312231011129. The reversal of 312231011122 is 221110132213.

It can be written as a sum of positive squares in 2 ways, for example, as 246612553201 + 65618457921 = 496601^2 + 256161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 312231011122.

It is not an unprimeable number, because it can be changed into a prime (312231011129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4591632483 + ... + 4591632550.

Almost surely, 2^312231011122 is an apocalyptic number.

312231011122 is a deficient number, since it is larger than the sum of its proper divisors (183665300714).

312231011122 is a wasteful number, since it uses less digits than its factorization.

312231011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183265052.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 312231011122 its reverse (221110132213), we get a palindrome (533341143335).

The spelling of 312231011122 in words is "three hundred twelve billion, two hundred thirty-one million, eleven thousand, one hundred twenty-two".