121300230031200 has 432 divisors, whose sum is σ = 482710281908400. Its totient is φ = 28392111820800.

The previous prime is 121300230031133. The next prime is 121300230031231. The reversal of 121300230031200 is 2130032003121.

121300230031200 is a `hidden beast` number, since 1 + 2 + 130 + 0 + 2 + 300 + 31 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24109555 + ... + 28703154.

It is an arithmetic number, because the mean of its divisors is an integer number (1117384911825).

Almost surely, 2^{121300230031200} is an apocalyptic number.

121300230031200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121300230031200 is an abundant number, since it is smaller than the sum of its proper divisors (361410051877200).

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

121300230031200 is a wasteful number, since it uses less digits than its factorization.

121300230031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52812775 (or 52812759 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121300230031200 its reverse (2130032003121), we get a palindrome (123430262034321).

The spelling of 121300230031200 in words is "one hundred twenty-one trillion, three hundred billion, two hundred thirty million, thirty-one thousand, two hundred".