312215922049 has 16 divisors (see below), whose sum is σ = 323069644800. Its totient is φ = 301527152640.

The previous prime is 312215922037. The next prime is 312215922059. The reversal of 312215922049 is 940229512213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312215922049 - 2¹⁵ = 312215889281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312215922059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271172 + ... + 2404714.

It is an arithmetic number, because the mean of its divisors is an integer number (20191852800).

Almost surely, 2^312215922049 is an apocalyptic number.

It is an amenable number.

312215922049 is a deficient number, since it is larger than the sum of its proper divisors (10853722751).

312215922049 is a wasteful number, since it uses less digits than its factorization.

312215922049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134160.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 312215922049 in words is "three hundred twelve billion, two hundred fifteen million, nine hundred twenty-two thousand, forty-nine".