10002220021212 has 12 divisors (see below), whose sum is σ = 23338513382856. Its totient is φ = 3334073340400.

The previous prime is 10002220021193. The next prime is 10002220021229. The reversal of 10002220021212 is 21212002220001.

10002220021212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 10002220021191 and 10002220021200.

It is a congruent number.

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, 416759167539 + ... + 416759167562.

It is an arithmetic number, because the mean of its divisors is an integer number (1944876115238).

Almost surely, 2^{10002220021212} is an apocalyptic number.

10002220021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10002220021212 is an abundant number, since it is smaller than the sum of its proper divisors (13336293361644).

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

10002220021212 is a wasteful number, since it uses less digits than its factorization.

10002220021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833518335108 (or 833518335106 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10002220021212 its reverse (21212002220001), we get a palindrome (31214222241213).

The spelling of 10002220021212 in words is "ten trillion, two billion, two hundred twenty million, twenty-one thousand, two hundred twelve".