10021020011212 has 12 divisors (see below), whose sum is σ = 20042040022480. Its totient is φ = 4294722861936.

The previous prime is 10021020011201. The next prime is 10021020011227. The reversal of 10021020011212 is 21211002012001.

10021020011212 is an admirable number.

It is a super-2 number, since 2×10021020011212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021020011192 and 10021020011201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178946785887 + ... + 178946785942.

Almost surely, 2^{10021020011212} is an apocalyptic number.

It is an amenable number.

10021020011212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10021020011212 is a wasteful number, since it uses less digits than its factorization.

10021020011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357893571840 (or 357893571838 counting only the distinct ones).

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

Adding to 10021020011212 its reverse (21211002012001), we get a palindrome (31232022023213).

The spelling of 10021020011212 in words is "ten trillion, twenty-one billion, twenty million, eleven thousand, two hundred twelve".