12212202212120 has 32 divisors (see below), whose sum is σ = 27558990482400. Its totient is φ = 4870385683968.

The previous prime is 12212202212059. The next prime is 12212202212149. The reversal of 12212202212120 is 2121220221221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12212202212092 and 12212202212101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452961380 + ... + 452988339.

It is an arithmetic number, because the mean of its divisors is an integer number (861218452575).

Almost surely, 2^{12212202212120} is an apocalyptic number.

12212202212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212202212120 is an abundant number, since it is smaller than the sum of its proper divisors (15346788270280).

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

12212202212120 is a wasteful number, since it uses less digits than its factorization.

12212202212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905950067 (or 905950063 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12212202212120 its reverse (2121220221221), we get a palindrome (14333422433341).

The spelling of 12212202212120 in words is "twelve trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, one hundred twenty".