121023232230020 has 192 divisors, whose sum is σ = 272308751769600. Its totient is φ = 45046366848000.

The previous prime is 121023232229969. The next prime is 121023232230107. The reversal of 121023232230020 is 20032232320121.

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 63 ways as a sum of consecutive naturals, for example, 30802551416 + ... + 30802555344.

It is an arithmetic number, because the mean of its divisors is an integer number (1418274748800).

Almost surely, 2^{121023232230020} is an apocalyptic number.

121023232230020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121023232230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136154375884800).

121023232230020 is an abundant number, since it is smaller than the sum of its proper divisors (151285519539580).

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

121023232230020 is a wasteful number, since it uses less digits than its factorization.

121023232230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010 (or 8008 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 121023232230020 its reverse (20032232320121), we get a palindrome (141055464550141).

The spelling of 121023232230020 in words is "one hundred twenty-one trillion, twenty-three billion, two hundred thirty-two million, two hundred thirty thousand, twenty".