1020730889212 has 24 divisors (see below), whose sum is σ = 1795839722096. Its totient is φ = 507634725888.

The previous prime is 1020730889207. The next prime is 1020730889261. The reversal of 1020730889212 is 2129880370201.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4555798 + ... + 4774594.

Almost surely, 2^{1020730889212} is an apocalyptic number.

It is an amenable number.

1020730889212 is a deficient number, since it is larger than the sum of its proper divisors (775108832884).

1020730889212 is a wasteful number, since it uses less digits than its factorization.

1020730889212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225037 (or 225035 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 1020730889212 in words is "one trillion, twenty billion, seven hundred thirty million, eight hundred eighty-nine thousand, two hundred twelve".