121013032120 has 64 divisors (see below), whose sum is σ = 274548280320. Its totient is φ = 48003145344.

The previous prime is 121013032109. The next prime is 121013032141. The reversal of 121013032120 is 21230310121.

It is a junction number, because it is equal to n+sod(n) for n = 121013032094 and 121013032103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2998717 + ... + 3038803.

It is an arithmetic number, because the mean of its divisors is an integer number (4289816880).

Almost surely, 2^121013032120 is an apocalyptic number.

121013032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121013032120 is an abundant number, since it is smaller than the sum of its proper divisors (153535248200).

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

121013032120 is a wasteful number, since it uses less digits than its factorization.

121013032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40724 (or 40720 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121013032120 its reverse (21230310121), we get a palindrome (142243342241).

The spelling of 121013032120 in words is "one hundred twenty-one billion, thirteen million, thirty-two thousand, one hundred twenty".