10212020011212 has 12 divisors (see below), whose sum is σ = 23828046692856. Its totient is φ = 3404006670400.

The previous prime is 10212020011181. The next prime is 10212020011213. The reversal of 10212020011212 is 21211002021201.

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 = 10212020011191 and 10212020011200.

It is not an unprimeable number, because it can be changed into a prime (10212020011213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425500833789 + ... + 425500833812.

It is an arithmetic number, because the mean of its divisors is an integer number (1985670557738).

Almost surely, 2^{10212020011212} is an apocalyptic number.

10212020011212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212020011212 is an abundant number, since it is smaller than the sum of its proper divisors (13616026681644).

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

10212020011212 is a wasteful number, since it uses less digits than its factorization.

10212020011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851001667608 (or 851001667606 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212020011212 its reverse (21211002021201), we get a palindrome (31423022032413).

The spelling of 10212020011212 in words is "ten trillion, two hundred twelve billion, twenty million, eleven thousand, two hundred twelve".