2130212012323 has 4 divisors (see below), whose sum is σ = 2134447026768. Its totient is φ = 2125976997880.

The previous prime is 2130212012311. The next prime is 2130212012329. The reversal of 2130212012323 is 3232102120312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130212012323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130212012294 and 2130212012303.

It is not an unprimeable number, because it can be changed into a prime (2130212012329) 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, 2117506468 + ... + 2117507473.

It is an arithmetic number, because the mean of its divisors is an integer number (533611756692).

Almost surely, 2^{2130212012323} is an apocalyptic number.

2130212012323 is a deficient number, since it is larger than the sum of its proper divisors (4235014445).

2130212012323 is an equidigital number, since it uses as much as digits as its factorization.

2130212012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235014444.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2130212012323 its reverse (3232102120312), we get a palindrome (5362314132635).

The spelling of 2130212012323 in words is "two trillion, one hundred thirty billion, two hundred twelve million, twelve thousand, three hundred twenty-three".