121332140300 has 144 divisors (see below), whose sum is σ = 308140277760. Its totient is φ = 40603971840.

The previous prime is 121332140297. The next prime is 121332140309. The reversal of 121332140300 is 3041233121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (121332140309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12595886 + ... + 12605514.

It is an arithmetic number, because the mean of its divisors is an integer number (2139863040).

Almost surely, 2^121332140300 is an apocalyptic number.

121332140300 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 121332140300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154070138880).

121332140300 is an abundant number, since it is smaller than the sum of its proper divisors (186808137460).

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

121332140300 is a wasteful number, since it uses less digits than its factorization.

121332140300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080 (or 10073 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121332140300 its reverse (3041233121), we get a palindrome (124373373421).

The spelling of 121332140300 in words is "one hundred twenty-one billion, three hundred thirty-two million, one hundred forty thousand, three hundred".