20122000120000 has 140 divisors (see below), whose sum is σ = 50640744118360. Its totient is φ = 7928667648000.

The previous prime is 20122000119989. The next prime is 20122000120007. The reversal of 20122000120000 is 2100022102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20122000120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1074105 + ... + 6434104.

Almost surely, 2^{20122000120000} is an apocalyptic number.

20122000120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122000120000 is an abundant number, since it is smaller than the sum of its proper divisors (30518743998360).

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

20122000120000 is an frugal number, since it uses more digits than its factorization.

20122000120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508308 (or 7508283 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20122000120000 its reverse (2100022102), we get a palindrome (20124100142102).

The spelling of 20122000120000 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty thousand".