120020021220000 has 240 divisors, whose sum is σ = 429479646295392. Its totient is φ = 29095762560000.

The previous prime is 120020021219981. The next prime is 120020021220013. The reversal of 120020021220000 is 22120020021.

It is a tau number, because it is divible by the number of its divisors (240).

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

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, 90264259 + ... + 91584258.

Almost surely, 2^{120020021220000} is an apocalyptic number.

120020021220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020021220000 is an abundant number, since it is smaller than the sum of its proper divisors (309459625075392).

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

120020021220000 is a wasteful number, since it uses less digits than its factorization.

120020021220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181848561 (or 181848538 counting only the distinct ones).

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

Adding to 120020021220000 its reverse (22120020021), we get a palindrome (120042141240021).

The spelling of 120020021220000 in words is "one hundred twenty trillion, twenty billion, twenty-one million, two hundred twenty thousand".