213043043312 has 40 divisors (see below), whose sum is σ = 450851060352. Its totient is φ = 96718276800.

The previous prime is 213043043309. The next prime is 213043043321. The reversal of 213043043312 is 213340340312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603548 + ... + 889019.

Almost surely, 2^213043043312 is an apocalyptic number.

213043043312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213043043312 is an abundant number, since it is smaller than the sum of its proper divisors (237808017040).

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

213043043312 is a wasteful number, since it uses less digits than its factorization.

213043043312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493397 (or 1493391 counting only the distinct ones).

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

Adding to 213043043312 its reverse (213340340312), we get a palindrome (426383383624).

The spelling of 213043043312 in words is "two hundred thirteen billion, forty-three million, forty-three thousand, three hundred twelve".