20123201120000 has 720 divisors, whose sum is σ = 57597834792960. Its totient is φ = 6946867200000.

The previous prime is 20123201119873. The next prime is 20123201120003. The reversal of 20123201120000 is 2110232102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123201120003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2891676521 + ... + 2891683479.

It is an arithmetic number, because the mean of its divisors is an integer number (79996992768).

Almost surely, 2^{20123201120000} is an apocalyptic number.

20123201120000 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 20123201120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28798917396480).

20123201120000 is an abundant number, since it is smaller than the sum of its proper divisors (37474633672960).

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

20123201120000 is an equidigital number, since it uses as much as digits as its factorization.

20123201120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090 (or 7061 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20123201120000 its reverse (2110232102), we get a palindrome (20125311352102).

The spelling of 20123201120000 in words is "twenty trillion, one hundred twenty-three billion, two hundred one million, one hundred twenty thousand".