12210112021012 has 12 divisors (see below), whose sum is σ = 21375738093780. Its totient is φ = 6102758279936.

The previous prime is 12210112021007. The next prime is 12210112021049. The reversal of 12210112021012 is 21012021101221.

It can be written as a sum of positive squares in 2 ways, for example, as 8527719891076 + 3682392129936 = 2920226^2 + 1918956^2 .

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, 574420687 + ... + 574441942.

It is an arithmetic number, because the mean of its divisors is an integer number (1781311507815).

Almost surely, 2^{12210112021012} is an apocalyptic number.

It is an amenable number.

12210112021012 is a deficient number, since it is larger than the sum of its proper divisors (9165626072768).

12210112021012 is a wasteful number, since it uses less digits than its factorization.

12210112021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148865290 (or 1148865288 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12210112021012 its reverse (21012021101221), we get a palindrome (33222133122233).

The spelling of 12210112021012 in words is "twelve trillion, two hundred ten billion, one hundred twelve million, twenty-one thousand, twelve".