121032121300 has 18 divisors (see below), whose sum is σ = 262639703438. Its totient is φ = 48412848480.

The previous prime is 121032121297. The next prime is 121032121361. The reversal of 121032121300 is 3121230121.

It can be written as a sum of positive squares in 3 ways, for example, as 39078173124 + 81953948176 = 197682^2 + 286276^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 605160507 + ... + 605160706.

Almost surely, 2^121032121300 is an apocalyptic number.

121032121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121032121300 is an abundant number, since it is smaller than the sum of its proper divisors (141607582138).

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

121032121300 is a wasteful number, since it uses less digits than its factorization.

121032121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210321227 (or 1210321220 counting only the distinct ones).

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

Adding to 121032121300 its reverse (3121230121), we get a palindrome (124153351421).

The spelling of 121032121300 in words is "one hundred twenty-one billion, thirty-two million, one hundred twenty-one thousand, three hundred".