121332230143 has 8 divisors (see below), whose sum is σ = 123402960000. Its totient is φ = 119261975448.

The previous prime is 121332230141. The next prime is 121332230147. The reversal of 121332230143 is 341032233121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121332230143 - 2¹ = 121332230141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121332230141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416680 + ... + 645202.

It is an arithmetic number, because the mean of its divisors is an integer number (15425370000).

Almost surely, 2^121332230143 is an apocalyptic number.

121332230143 is a deficient number, since it is larger than the sum of its proper divisors (2070729857).

121332230143 is an equidigital number, since it uses as much as digits as its factorization.

121332230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237581.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 121332230143 its reverse (341032233121), we get a palindrome (462364463264).

The spelling of 121332230143 in words is "one hundred twenty-one billion, three hundred thirty-two million, two hundred thirty thousand, one hundred forty-three".