121123230433020 has 144 divisors (see below), whose sum is σ = 380869830432000. Its totient is φ = 31120644688896.

The previous prime is 121123230433019. The next prime is 121123230433021. The reversal of 121123230433020 is 20334032321121.

121123230433020 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 2 + 3 + 2 + 304 + 330 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (121123230433019) and next prime (121123230433021).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123230433021) 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 47 ways as a sum of consecutive naturals, for example, 21720585 + ... + 26721344.

It is an arithmetic number, because the mean of its divisors is an integer number (2644929378000).

Almost surely, 2^{121123230433020} is an apocalyptic number.

121123230433020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121123230433020 is an abundant number, since it is smaller than the sum of its proper divisors (259746599998980).

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

121123230433020 is a wasteful number, since it uses less digits than its factorization.

121123230433020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48442452 (or 48442447 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 121123230433020 its reverse (20334032321121), we get a palindrome (141457262754141).

The spelling of 121123230433020 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, two hundred thirty million, four hundred thirty-three thousand, twenty".