2143320233412 has 48 divisors (see below), whose sum is σ = 5233155221952. Its totient is φ = 682015201920.

The previous prime is 2143320233399. The next prime is 2143320233429.

It is a happy number.

2143320233412 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2143320233412² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143320233412.

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 15 ways as a sum of consecutive naturals, for example, 45517014 + ... + 45564077.

It is an arithmetic number, because the mean of its divisors is an integer number (109024067124).

Almost surely, 2^{2143320233412} is an apocalyptic number.

It is an amenable number.

2143320233412 is an abundant number, since it is smaller than the sum of its proper divisors (3089834988540).

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

2143320233412 is a wasteful number, since it uses less digits than its factorization.

2143320233412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91081188 (or 91081186 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

It can be divided in two parts, 2143320 and 233412, that added together give a palindrome (2376732).

The spelling of 2143320233412 in words is "two trillion, one hundred forty-three billion, three hundred twenty million, two hundred thirty-three thousand, four hundred twelve".