120303232121 has 32 divisors (see below), whose sum is σ = 135154656000. Its totient is φ = 106413834240.

The previous prime is 120303232111. The next prime is 120303232123. The reversal of 120303232121 is 121232303021.

It is a cyclic number.

It is not a de Polignac number, because 120303232121 - 2⁶ = 120303232057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120303232093 and 120303232102.

It is not an unprimeable number, because it can be changed into a prime (120303232123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26247596 + ... + 26252178.

It is an arithmetic number, because the mean of its divisors is an integer number (4223583000).

Almost surely, 2^120303232121 is an apocalyptic number.

It is an amenable number.

120303232121 is a deficient number, since it is larger than the sum of its proper divisors (14851423879).

120303232121 is a wasteful number, since it uses less digits than its factorization.

120303232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120303232121 its reverse (121232303021), we get a palindrome (241535535142).

The spelling of 120303232121 in words is "one hundred twenty billion, three hundred three million, two hundred thirty-two thousand, one hundred twenty-one".