1021201010212 has 24 divisors (see below), whose sum is σ = 1788000673536. Its totient is φ = 510343755168.

The previous prime is 1021201010209. The next prime is 1021201010251. The reversal of 1021201010212 is 2120101021201.

It is a junction number, because it is equal to n+sod(n) for n = 1021201010192 and 1021201010201.

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 7 ways as a sum of consecutive naturals, for example, 123225133 + ... + 123233419.

It is an arithmetic number, because the mean of its divisors is an integer number (74500028064).

Almost surely, 2^{1021201010212} is an apocalyptic number.

It is an amenable number.

1021201010212 is a deficient number, since it is larger than the sum of its proper divisors (766799663324).

1021201010212 is a wasteful number, since it uses less digits than its factorization.

1021201010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20067 (or 20065 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021201010212 its reverse (2120101021201), we get a palindrome (3141302031413).

The spelling of 1021201010212 in words is "one trillion, twenty-one billion, two hundred one million, ten thousand, two hundred twelve".