2130321212232 has 16 divisors (see below), whose sum is σ = 5325803030640. Its totient is φ = 710107070736.

The previous prime is 2130321212231. The next prime is 2130321212251. The reversal of 2130321212232 is 2322121230312.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 88763383843 = 2130321212232 / (2 + 1 + 3 + 0 + 3 + 2 + 1 + 2 + 1 + 2 + 2 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (2130321212231) 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, 44381691898 + ... + 44381691945.

It is an arithmetic number, because the mean of its divisors is an integer number (332862689415).

Almost surely, 2^{2130321212232} is an apocalyptic number.

It is an amenable number.

2130321212232 is an abundant number, since it is smaller than the sum of its proper divisors (3195481818408).

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

2130321212232 is a wasteful number, since it uses less digits than its factorization.

2130321212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88763383852 (or 88763383848 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2130321212232 its reverse (2322121230312), we get a palindrome (4452442442544).

The spelling of 2130321212232 in words is "two trillion, one hundred thirty billion, three hundred twenty-one million, two hundred twelve thousand, two hundred thirty-two".