121432300030400 has 168 divisors, whose sum is σ = 304584684372720. Its totient is φ = 47639889469440.

The previous prime is 121432300030369. The next prime is 121432300030441. The reversal of 121432300030400 is 4030003234121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18003122 + ... + 23811278.

Almost surely, 2^{121432300030400} is an apocalyptic number.

121432300030400 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 121432300030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152292342186360).

121432300030400 is an abundant number, since it is smaller than the sum of its proper divisors (183152384342320).

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

121432300030400 is a wasteful number, since it uses less digits than its factorization.

121432300030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808431 (or 5808416 counting only the distinct ones).

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

Adding to 121432300030400 its reverse (4030003234121), we get a palindrome (125462303264521).

The spelling of 121432300030400 in words is "one hundred twenty-one trillion, four hundred thirty-two billion, three hundred million, thirty thousand, four hundred".