120021001112320 has 288 divisors, whose sum is σ = 379510261756416. Its totient is φ = 35208604876800.

The previous prime is 120021001112317. The next prime is 120021001112329. The reversal of 120021001112320 is 23211100120021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 120021001112294 and 120021001112303.

It is not an unprimeable number, because it can be changed into a prime (120021001112329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34140526 + ... + 37491565.

It is an arithmetic number, because the mean of its divisors is an integer number (1317743964432).

Almost surely, 2^{120021001112320} is an apocalyptic number.

120021001112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021001112320 is an abundant number, since it is smaller than the sum of its proper divisors (259489260644096).

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

120021001112320 is a wasteful number, since it uses less digits than its factorization.

120021001112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71632147 (or 71632133 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120021001112320 its reverse (23211100120021), we get a palindrome (143232101232341).

The spelling of 120021001112320 in words is "one hundred twenty trillion, twenty-one billion, one million, one hundred twelve thousand, three hundred twenty".