120021354552000 has 448 divisors, whose sum is σ = 432382547870208. Its totient is φ = 29093137920000.

The previous prime is 120021354551977. The next prime is 120021354552007. The reversal of 120021354552000 is 255453120021.

It is a super-2 number, since 2×120021354552000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (120021354552007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3781256130 + ... + 3781287870.

Almost surely, 2^{120021354552000} is an apocalyptic number.

120021354552000 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 120021354552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216191273935104).

120021354552000 is an abundant number, since it is smaller than the sum of its proper divisors (312361193318208).

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

120021354552000 is a wasteful number, since it uses less digits than its factorization.

120021354552000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46105 (or 46085 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 120021354552000 in words is "one hundred twenty trillion, twenty-one billion, three hundred fifty-four million, five hundred fifty-two thousand".