213043340312 has 64 divisors (see below), whose sum is σ = 451001809440. Its totient is φ = 93501849600.

The previous prime is 213043340287. The next prime is 213043340357.

213043340312 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45608 + ... + 654344.

Almost surely, 2^213043340312 is an apocalyptic number.

213043340312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213043340312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225500904720).

213043340312 is an abundant number, since it is smaller than the sum of its proper divisors (237958469128).

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

213043340312 is a wasteful number, since it uses less digits than its factorization.

213043340312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608892 (or 608888 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 213043 and 340312, that added together give a palindrome (553355).

The spelling of 213043340312 in words is "two hundred thirteen billion, forty-three million, three hundred forty thousand, three hundred twelve".