2120421300324 has 12 divisors (see below), whose sum is σ = 4947649700784. Its totient is φ = 706807100104.

The previous prime is 2120421300289. The next prime is 2120421300329. The reversal of 2120421300324 is 4230031240212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2120421300294 and 2120421300303.

It is not an unprimeable number, because it can be changed into a prime (2120421300329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 88350887502 + ... + 88350887525.

It is an arithmetic number, because the mean of its divisors is an integer number (412304141732).

Almost surely, 2^{2120421300324} is an apocalyptic number.

It is an amenable number.

2120421300324 is an abundant number, since it is smaller than the sum of its proper divisors (2827228400460).

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

2120421300324 is a wasteful number, since it uses less digits than its factorization.

2120421300324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176701775034 (or 176701775032 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2120421300324 its reverse (4230031240212), we get a palindrome (6350452540536).

The spelling of 2120421300324 in words is "two trillion, one hundred twenty billion, four hundred twenty-one million, three hundred thousand, three hundred twenty-four".