312403422012042 has 64 divisors (see below), whose sum is σ = 627541071487488. Its totient is φ = 103679813952000.

The previous prime is 312403422011971. The next prime is 312403422012049. The reversal of 312403422012042 is 240210224304213.

It is not an unprimeable number, because it can be changed into a prime (312403422012049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19451048692 + ... + 19451064752.

It is an arithmetic number, because the mean of its divisors is an integer number (9805329241992).

Almost surely, 2^{312403422012042} is an apocalyptic number.

312403422012042 is an abundant number, since it is smaller than the sum of its proper divisors (315137649475446).

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

312403422012042 is a wasteful number, since it uses less digits than its factorization.

312403422012042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31455.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 312403422012042 its reverse (240210224304213), we get a palindrome (552613646316255).

The spelling of 312403422012042 in words is "three hundred twelve trillion, four hundred three billion, four hundred twenty-two million, twelve thousand, forty-two".