2120231312330 has 8 divisors (see below), whose sum is σ = 3816416362212. Its totient is φ = 848092524928.

The previous prime is 2120231312257. The next prime is 2120231312333. The reversal of 2120231312330 is 332131320212.

It can be written as a sum of positive squares in 2 ways, for example, as 2101708374529 + 18522937801 = 1449727^2 + 136099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2120231312296 and 2120231312305.

It is not an unprimeable number, because it can be changed into a prime (2120231312333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106011565607 + ... + 106011565626.

Almost surely, 2^{2120231312330} is an apocalyptic number.

2120231312330 is a deficient number, since it is larger than the sum of its proper divisors (1696185049882).

2120231312330 is a wasteful number, since it uses less digits than its factorization.

2120231312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212023131240.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2120231312330 its reverse (332131320212), we get a palindrome (2452362632542).

The spelling of 2120231312330 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, three hundred twelve thousand, three hundred thirty".