121433230140 has 48 divisors (see below), whose sum is σ = 340058568192. Its totient is φ = 32377859136.

The previous prime is 121433230133. The next prime is 121433230207. The reversal of 121433230140 is 41032334121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121433230140.

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 15 ways as a sum of consecutive naturals, for example, 329577 + ... + 592863.

It is an arithmetic number, because the mean of its divisors is an integer number (7084553504).

Almost surely, 2^121433230140 is an apocalyptic number.

121433230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121433230140 is an abundant number, since it is smaller than the sum of its proper divisors (218625338052).

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

121433230140 is a wasteful number, since it uses less digits than its factorization.

121433230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270986 (or 270984 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121433230140 its reverse (41032334121), we get a palindrome (162465564261).

The spelling of 121433230140 in words is "one hundred twenty-one billion, four hundred thirty-three million, two hundred thirty thousand, one hundred forty".