121212010320000 has 160 divisors (see below), whose sum is σ = 402332966051280. Its totient is φ = 32323202688000.

The previous prime is 121212010319999. The next prime is 121212010320041. The reversal of 121212010320000 is 23010212121.

121212010320000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (15).

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 19 ways as a sum of consecutive naturals, for example, 252285022 + ... + 252765021.

Almost surely, 2^{121212010320000} is an apocalyptic number.

121212010320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121212010320000 is an abundant number, since it is smaller than the sum of its proper divisors (281120955731280).

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

121212010320000 is an frugal number, since it uses more digits than its factorization.

121212010320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505050080 (or 505050053 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121212010320000 its reverse (23010212121), we get a palindrome (121235020532121).

The spelling of 121212010320000 in words is "one hundred twenty-one trillion, two hundred twelve billion, ten million, three hundred twenty thousand".