20200122120000 has 280 divisors, whose sum is σ = 67783154772256. Its totient is φ = 5306298624000.

The previous prime is 20200122119951. The next prime is 20200122120001. The reversal of 20200122120000 is 2122100202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200122120001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6783774 + ... + 9296226.

Almost surely, 2^{20200122120000} is an apocalyptic number.

20200122120000 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 20200122120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33891577386128).

20200122120000 is an abundant number, since it is smaller than the sum of its proper divisors (47583032652256).

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

20200122120000 is an equidigital number, since it uses as much as digits as its factorization.

20200122120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512555 (or 2512530 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20200122120000 its reverse (2122100202), we get a palindrome (20202244220202).

The spelling of 20200122120000 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, one hundred twenty thousand".