121020132320 has 24 divisors (see below), whose sum is σ = 285910062984. Its totient is φ = 48408052864.

The previous prime is 121020132307. The next prime is 121020132329. The reversal of 121020132320 is 23231020121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020132329) 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 3 ways as a sum of consecutive naturals, for example, 378187754 + ... + 378188073.

It is an arithmetic number, because the mean of its divisors is an integer number (11912919291).

Almost surely, 2^121020132320 is an apocalyptic number.

121020132320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121020132320 is an abundant number, since it is smaller than the sum of its proper divisors (164889930664).

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

121020132320 is an equidigital number, since it uses as much as digits as its factorization.

121020132320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756375842 (or 756375834 counting only the distinct ones).

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

Adding to 121020132320 its reverse (23231020121), we get a palindrome (144251152441).

The spelling of 121020132320 in words is "one hundred twenty-one billion, twenty million, one hundred thirty-two thousand, three hundred twenty".