312142242241212 has 48 divisors (see below), whose sum is σ = 739844752453632. Its totient is φ = 102405419107200.

The previous prime is 312142242241199. The next prime is 312142242241301. The reversal of 312142242241212 is 212142242241213.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167726473 + ... + 169577280.

It is an arithmetic number, because the mean of its divisors is an integer number (15413432342784).

Almost surely, 2^{312142242241212} is an apocalyptic number.

It is an amenable number.

312142242241212 is an abundant number, since it is smaller than the sum of its proper divisors (427702510212420).

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

312142242241212 is a wasteful number, since it uses less digits than its factorization.

312142242241212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337304978 (or 337304976 counting only the distinct ones).

The product of its digits is 24576, while the sum is 33.

Adding to 312142242241212 its reverse (212142242241213), we get a palindrome (524284484482425).

Subtracting from 312142242241212 its reverse (212142242241213), we obtain a palindrome (99999999999999).

The spelling of 312142242241212 in words is "three hundred twelve trillion, one hundred forty-two billion, two hundred forty-two million, two hundred forty-one thousand, two hundred twelve".