12202122001212 has 288 divisors, whose sum is σ = 38193453305280. Its totient is φ = 3233304023040.

The previous prime is 12202122001117. The next prime is 12202122001231. The reversal of 12202122001212 is 21210022120221.

It is a happy number.

12202122001212 is a `hidden beast` number, since 1 + 220 + 212 + 20 + 0 + 1 + 212 = 666.

12202122001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7141408 + ... + 8683544.

It is an arithmetic number, because the mean of its divisors is an integer number (132616157310).

Almost surely, 2^{12202122001212} is an apocalyptic number.

12202122001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12202122001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19096726652640).

12202122001212 is an abundant number, since it is smaller than the sum of its proper divisors (25991331304068).

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

12202122001212 is a wasteful number, since it uses less digits than its factorization.

12202122001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542253 (or 1542248 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12202122001212 its reverse (21210022120221), we get a palindrome (33412144121433).

The spelling of 12202122001212 in words is "twelve trillion, two hundred two billion, one hundred twenty-two million, one thousand, two hundred twelve".