121321003132 has 48 divisors (see below), whose sum is σ = 257981347008. Its totient is φ = 48733102080.

The previous prime is 121321003123. The next prime is 121321003159. The reversal of 121321003132 is 231300123121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414073 + ... + 643504.

It is an arithmetic number, because the mean of its divisors is an integer number (5374611396).

Almost surely, 2^121321003132 is an apocalyptic number.

It is an amenable number.

121321003132 is an abundant number, since it is smaller than the sum of its proper divisors (136660343876).

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

121321003132 is a wasteful number, since it uses less digits than its factorization.

121321003132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057846 (or 1057844 counting only the distinct ones).

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

Adding to 121321003132 its reverse (231300123121), we get a palindrome (352621126253).

The spelling of 121321003132 in words is "one hundred twenty-one billion, three hundred twenty-one million, three thousand, one hundred thirty-two".