121341241500 has 96 divisors (see below), whose sum is σ = 353969179200. Its totient is φ = 32300569600.

The previous prime is 121341241477. The next prime is 121341241501. The reversal of 121341241500 is 5142143121.

It is a super-2 number, since 2×121341241500² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121341241501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782416 + ... + 924584.

It is an arithmetic number, because the mean of its divisors is an integer number (3687178950).

Almost surely, 2^121341241500 is an apocalyptic number.

121341241500 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 121341241500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176984589600).

121341241500 is an abundant number, since it is smaller than the sum of its proper divisors (232627937700).

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

121341241500 is a wasteful number, since it uses less digits than its factorization.

121341241500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142760 (or 142748 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 121341241500 its reverse (5142143121), we get a palindrome (126483384621).

The spelling of 121341241500 in words is "one hundred twenty-one billion, three hundred forty-one million, two hundred forty-one thousand, five hundred".