312141221124042 has 128 divisors (see below), whose sum is σ = 667914690643200. Its totient is φ = 96968150784000.

The previous prime is 312141221124013. The next prime is 312141221124077. The reversal of 312141221124042 is 240421122141213.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2327798934 + ... + 2327933022.

It is an arithmetic number, because the mean of its divisors is an integer number (5218083520650).

Almost surely, 2^{312141221124042} is an apocalyptic number.

312141221124042 is an abundant number, since it is smaller than the sum of its proper divisors (355773469519158).

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

312141221124042 is a wasteful number, since it uses less digits than its factorization.

312141221124042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135512.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 312141221124042 its reverse (240421122141213), we get a palindrome (552562343265255).

The spelling of 312141221124042 in words is "three hundred twelve trillion, one hundred forty-one billion, two hundred twenty-one million, one hundred twenty-four thousand, forty-two".