1020201022012 has 12 divisors (see below), whose sum is σ = 1785370720896. Its totient is φ = 510095101760.

The previous prime is 1020201022003. The next prime is 1020201022031. The reversal of 1020201022012 is 2102201020201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020201021983 and 1020201022001.

It is a congruent number.

It is an unprimeable number.

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, 912028 + ... + 1694755.

It is an arithmetic number, because the mean of its divisors is an integer number (148780893408).

Almost surely, 2^{1020201022012} is an apocalyptic number.

It is an amenable number.

1020201022012 is a deficient number, since it is larger than the sum of its proper divisors (765169698884).

1020201022012 is a wasteful number, since it uses less digits than its factorization.

1020201022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704628 (or 2704626 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020201022012 its reverse (2102201020201), we get a palindrome (3122402042213).

The spelling of 1020201022012 in words is "one trillion, twenty billion, two hundred one million, twenty-two thousand, twelve".