121240230232 has 64 divisors (see below), whose sum is σ = 249940604160. Its totient is φ = 54676944000.

The previous prime is 121240230187. The next prime is 121240230253. The reversal of 121240230232 is 232032042121.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 11728138 + ... + 11738470.

It is an arithmetic number, because the mean of its divisors is an integer number (3905321940).

Almost surely, 2^121240230232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121240230232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124970302080).

121240230232 is an abundant number, since it is smaller than the sum of its proper divisors (128700373928).

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

121240230232 is a wasteful number, since it uses less digits than its factorization.

121240230232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11384 (or 11380 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 121240230232 its reverse (232032042121), we get a palindrome (353272272353).

The spelling of 121240230232 in words is "one hundred twenty-one billion, two hundred forty million, two hundred thirty thousand, two hundred thirty-two".