121321132030 has 24 divisors (see below), whose sum is σ = 254031595848. Its totient is φ = 41595816528.

The previous prime is 121321131991. The next prime is 121321132103. The reversal of 121321132030 is 30231123121.

It is a junction number, because it is equal to n+sod(n) for n = 121321131989 and 121321132007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123796584 + ... + 123797563.

It is an arithmetic number, because the mean of its divisors is an integer number (10584649827).

Almost surely, 2^121321132030 is an apocalyptic number.

121321132030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121321132030 is an abundant number, since it is smaller than the sum of its proper divisors (132710463818).

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

121321132030 is a wasteful number, since it uses less digits than its factorization.

121321132030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247594168 (or 247594161 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121321132030 its reverse (30231123121), we get a palindrome (151552255151).

The spelling of 121321132030 in words is "one hundred twenty-one billion, three hundred twenty-one million, one hundred thirty-two thousand, thirty".