120169721232 has 240 divisors, whose sum is σ = 380833264000. Its totient is φ = 36252437760.

The previous prime is 120169721171. The next prime is 120169721257. The reversal of 120169721232 is 232127961021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11965269 + ... + 11975307.

Almost surely, 2^120169721232 is an apocalyptic number.

120169721232 is a gapful number since it is divisible by the number (12) 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 120169721232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190416632000).

120169721232 is an abundant number, since it is smaller than the sum of its proper divisors (260663542768).

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

120169721232 is a wasteful number, since it uses less digits than its factorization.

120169721232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307 (or 10284 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 120169721232 in words is "one hundred twenty billion, one hundred sixty-nine million, seven hundred twenty-one thousand, two hundred thirty-two".