312147520742 has 16 divisors (see below), whose sum is σ = 471312691200. Its totient is φ = 155045052360.

The previous prime is 312147520627. The next prime is 312147520747. The reversal of 312147520742 is 247025741213.

It is a junction number, because it is equal to n+sod(n) for n = 312147520696 and 312147520705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312147520747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85142 + ... + 794697.

It is an arithmetic number, because the mean of its divisors is an integer number (29457043200).

Almost surely, 2^312147520742 is an apocalyptic number.

312147520742 is a deficient number, since it is larger than the sum of its proper divisors (159165170458).

312147520742 is a wasteful number, since it uses less digits than its factorization.

312147520742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881011.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 312147520742 in words is "three hundred twelve billion, one hundred forty-seven million, five hundred twenty thousand, seven hundred forty-two".