11956122020000 has 240 divisors, whose sum is σ = 31079936986560. Its totient is φ = 4513476096000.

The previous prime is 11956122019993. The next prime is 11956122020023. The reversal of 11956122020000 is 2022165911.

11956122020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 99880184 + ... + 99999816.

It is an arithmetic number, because the mean of its divisors is an integer number (129499737444).

Almost surely, 2^{11956122020000} is an apocalyptic number.

11956122020000 is a gapful number since it is divisible by the number (10) 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 11956122020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15539968493280).

11956122020000 is an abundant number, since it is smaller than the sum of its proper divisors (19123814966560).

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

11956122020000 is a wasteful number, since it uses less digits than its factorization.

11956122020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119945 (or 119922 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 11956122020000 its reverse (2022165911), we get a palindrome (11958144185911).

The spelling of 11956122020000 in words is "eleven trillion, nine hundred fifty-six billion, one hundred twenty-two million, twenty thousand".