213449944312 has 32 divisors (see below), whose sum is σ = 437409284400. Its totient is φ = 96843340800.

The previous prime is 213449944289. The next prime is 213449944313.

213449944312 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213449944313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194137 + ... + 2289352.

Almost surely, 2^213449944312 is an apocalyptic number.

213449944312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213449944312 is an abundant number, since it is smaller than the sum of its proper divisors (223959340088).

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

213449944312 is a wasteful number, since it uses less digits than its factorization.

213449944312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484047 (or 4484043 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The spelling of 213449944312 in words is "two hundred thirteen billion, four hundred forty-nine million, nine hundred forty-four thousand, three hundred twelve".