12122102220000 has 240 divisors, whose sum is σ = 41855708885760. Its totient is φ = 3062425536000.

The previous prime is 12122102219989. The next prime is 12122102220061. The reversal of 12122102220000 is 2220122121.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4176712 + ... + 6456711.

It is an arithmetic number, because the mean of its divisors is an integer number (174398787024).

Almost surely, 2^{12122102220000} is an apocalyptic number.

12122102220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122102220000 is an abundant number, since it is smaller than the sum of its proper divisors (29733606665760).

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

12122102220000 is a wasteful number, since it uses less digits than its factorization.

12122102220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10633475 (or 10633452 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12122102220000 its reverse (2220122121), we get a palindrome (12124322342121).

The spelling of 12122102220000 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty thousand".