2122120220000 has 240 divisors, whose sum is σ = 5773408380432. Its totient is φ = 761103360000.

The previous prime is 2122120219997. The next prime is 2122120220027. The reversal of 2122120220000 is 220212212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15993932 + ... + 16126068.

Almost surely, 2^{2122120220000} is an apocalyptic number.

2122120220000 is a gapful number since it is divisible by the number (20) 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 2122120220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2886704190216).

2122120220000 is an abundant number, since it is smaller than the sum of its proper divisors (3651288160432).

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

2122120220000 is a wasteful number, since it uses less digits than its factorization.

2122120220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132251 (or 132228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2122120220000 its reverse (220212212), we get a palindrome (2122340432212).

It can be divided in two parts, 212 and 2120220000, that added together give a palindrome (2120220212).

The spelling of 2122120220000 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, two hundred twenty thousand".