120032121320 has 32 divisors (see below), whose sum is σ = 270125883720. Its totient is φ = 48003317760.

The previous prime is 120032121301. The next prime is 120032121329. The reversal of 120032121320 is 23121230021.

It can be written as a sum of positive squares in 4 ways, for example, as 106943388484 + 13088732836 = 327022^2 + 114406^2 .

It is not an unprimeable number, because it can be changed into a prime (120032121329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92057 + ... + 498536.

Almost surely, 2^120032121320 is an apocalyptic number.

120032121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120032121320 is an abundant number, since it is smaller than the sum of its proper divisors (150093762400).

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

120032121320 is a wasteful number, since it uses less digits than its factorization.

120032121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595685 (or 595681 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 120032121320 its reverse (23121230021), we get a palindrome (143153351341).

The spelling of 120032121320 in words is "one hundred twenty billion, thirty-two million, one hundred twenty-one thousand, three hundred twenty".