10011020021212 has 24 divisors (see below), whose sum is σ = 20107971557856. Its totient is φ = 4272023255808.

The previous prime is 10011020021209. The next prime is 10011020021239. The reversal of 10011020021212 is 21212002011001.

It is a junction number, because it is equal to n+sod(n) for n = 10011020021192 and 10011020021201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767239033 + ... + 767252080.

It is an arithmetic number, because the mean of its divisors is an integer number (837832148244).

Almost surely, 2^{10011020021212} is an apocalyptic number.

It is an amenable number.

10011020021212 is an abundant number, since it is smaller than the sum of its proper divisors (10096951536644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10011020021212 is a wasteful number, since it uses less digits than its factorization.

10011020021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534491357 (or 1534491355 counting only the distinct ones).

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

Adding to 10011020021212 its reverse (21212002011001), we get a palindrome (31223022032213).

The spelling of 10011020021212 in words is "ten trillion, eleven billion, twenty million, twenty-one thousand, two hundred twelve".