1020331302212 has 12 divisors (see below), whose sum is σ = 1819269963756. Its totient is φ = 500539884000.

The previous prime is 1020331302187. The next prime is 1020331302217. The reversal of 1020331302212 is 2122031330201.

It can be written as a sum of positive squares in 2 ways, for example, as 782064310336 + 238266991876 = 884344^2 + 488126^2 .

It is not an unprimeable number, because it can be changed into a prime (1020331302217) 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 3 ways as a sum of consecutive naturals, for example, 2406441539 + ... + 2406441962.

It is an arithmetic number, because the mean of its divisors is an integer number (151605830313).

Almost surely, 2^{1020331302212} is an apocalyptic number.

It is an amenable number.

1020331302212 is a deficient number, since it is larger than the sum of its proper divisors (798938661544).

1020331302212 is a wasteful number, since it uses less digits than its factorization.

1020331302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812883558 (or 4812883556 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1020331302212 its reverse (2122031330201), we get a palindrome (3142362632413).

The spelling of 1020331302212 in words is "one trillion, twenty billion, three hundred thirty-one million, three hundred two thousand, two hundred twelve".