12211001020212 has 48 divisors (see below), whose sum is σ = 28526907790080. Its totient is φ = 4065395490432.

The previous prime is 12211001020171. The next prime is 12211001020223. The reversal of 12211001020212 is 21202010011221.

It is a junction number, because it is equal to n+sod(n) for n = 12211001020191 and 12211001020200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180631714 + ... + 180699302.

It is an arithmetic number, because the mean of its divisors is an integer number (594310578960).

Almost surely, 2^{12211001020212} is an apocalyptic number.

12211001020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12211001020212 is an abundant number, since it is smaller than the sum of its proper divisors (16315906769868).

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

12211001020212 is a wasteful number, since it uses less digits than its factorization.

12211001020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85640 (or 85638 counting only the distinct ones).

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

Adding to 12211001020212 its reverse (21202010011221), we get a palindrome (33413011031433).

The spelling of 12211001020212 in words is "twelve trillion, two hundred eleven billion, one million, twenty thousand, two hundred twelve".