120221423040000 has 400 divisors, whose sum is σ = 405040799604672. Its totient is φ = 31672771584000.

The previous prime is 120221423039957. The next prime is 120221423040007. The reversal of 120221423040000 is 40324122021.

It is a tau number, because it is divible by the number of its divisors (400).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221423040007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 78925599 + ... + 80434401.

Almost surely, 2^{120221423040000} is an apocalyptic number.

120221423040000 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 120221423040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202520399802336).

120221423040000 is an abundant number, since it is smaller than the sum of its proper divisors (284819376564672).

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

120221423040000 is an frugal number, since it uses more digits than its factorization.

120221423040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508927 (or 1508896 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 120221423040000 its reverse (40324122021), we get a palindrome (120261747162021).

The spelling of 120221423040000 in words is "one hundred twenty trillion, two hundred twenty-one billion, four hundred twenty-three million, forty thousand".