1021312319986 has 32 divisors (see below), whose sum is σ = 1795424577408. Its totient is φ = 426598583040.

The previous prime is 1021312319959. The next prime is 1021312320031. The reversal of 1021312319986 is 6899132131201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1562535 + ... + 2117578.

It is an arithmetic number, because the mean of its divisors is an integer number (56107018044).

Almost surely, 2^{1021312319986} is an apocalyptic number.

1021312319986 is a deficient number, since it is larger than the sum of its proper divisors (774112257422).

1021312319986 is a wasteful number, since it uses less digits than its factorization.

1021312319986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680626.

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 1021312319986 in words is "one trillion, twenty-one billion, three hundred twelve million, three hundred nineteen thousand, nine hundred eighty-six".