213321330012 has 48 divisors (see below), whose sum is σ = 568915246592. Its totient is φ = 60942697920.

The previous prime is 213321330007. The next prime is 213321330031. The reversal of 213321330012 is 210033123312.

It is a super-2 number, since 2×213321330012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 726633 + ... + 977055.

Almost surely, 2^213321330012 is an apocalyptic number.

It is an amenable number.

213321330012 is an abundant number, since it is smaller than the sum of its proper divisors (355593916580).

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

213321330012 is a wasteful number, since it uses less digits than its factorization.

213321330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260578 (or 260576 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213321330012 its reverse (210033123312), we get a palindrome (423354453324).

The spelling of 213321330012 in words is "two hundred thirteen billion, three hundred twenty-one million, three hundred thirty thousand, twelve".