121433120000 has 90 divisors (see below), whose sum is σ = 302893307178. Its totient is φ = 48573184000.

The previous prime is 121433119999. The next prime is 121433120027. The reversal of 121433120000 is 21334121.

It can be written as a sum of positive squares in 5 ways, for example, as 55552604416 + 65880515584 = 235696^2 + 256672^2 .

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 9 ways as a sum of consecutive naturals, for example, 219479 + ... + 539478.

Almost surely, 2^121433120000 is an apocalyptic number.

121433120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121433120000 is an abundant number, since it is smaller than the sum of its proper divisors (181460187178).

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

121433120000 is an frugal number, since it uses more digits than its factorization.

121433120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758993 (or 758964 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121433120000 its reverse (21334121), we get a palindrome (121454454121).

The spelling of 121433120000 in words is "one hundred twenty-one billion, four hundred thirty-three million, one hundred twenty thousand".