12210021223120 has 40 divisors (see below), whose sum is σ = 32443770680064. Its totient is φ = 4186292990592.

The previous prime is 12210021223073. The next prime is 12210021223123. The reversal of 12210021223120 is 2132212001221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210021223123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10901804104 + ... + 10901805223.

Almost surely, 2^{12210021223120} is an apocalyptic number.

12210021223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210021223120 is an abundant number, since it is smaller than the sum of its proper divisors (20233749456944).

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

12210021223120 is a wasteful number, since it uses less digits than its factorization.

12210021223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21803609347 (or 21803609341 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12210021223120 its reverse (2132212001221), we get a palindrome (14342233224341).

The spelling of 12210021223120 in words is "twelve trillion, two hundred ten billion, twenty-one million, two hundred twenty-three thousand, one hundred twenty".