312040215132042 has 16 divisors (see below), whose sum is σ = 624187128988800. Its totient is φ = 103995621923232.

The previous prime is 312040215132029. The next prime is 312040215132049. The reversal of 312040215132042 is 240231512040213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312040215132049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4445742178 + ... + 4445812365.

It is an arithmetic number, because the mean of its divisors is an integer number (39011695561800).

Almost surely, 2^{312040215132042} is an apocalyptic number.

312040215132042 is an abundant number, since it is smaller than the sum of its proper divisors (312146913856758).

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

312040215132042 is a wasteful number, since it uses less digits than its factorization.

312040215132042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891560397.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 312040215132042 its reverse (240231512040213), we get a palindrome (552271727172255).

The spelling of 312040215132042 in words is "three hundred twelve trillion, forty billion, two hundred fifteen million, one hundred thirty-two thousand, forty-two".