213331012312 has 16 divisors (see below), whose sum is σ = 436358889000. Its totient is φ = 96968641920.

The previous prime is 213331012303. The next prime is 213331012393. The reversal of 213331012312 is 213210133312.

213331012312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212107937 + ... + 1212108112.

Almost surely, 2^213331012312 is an apocalyptic number.

213331012312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213331012312 is an abundant number, since it is smaller than the sum of its proper divisors (223027876688).

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

213331012312 is a wasteful number, since it uses less digits than its factorization.

213331012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424216066 (or 2424216062 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 213331012312 its reverse (213210133312), we get a palindrome (426541145624).

The spelling of 213331012312 in words is "two hundred thirteen billion, three hundred thirty-one million, twelve thousand, three hundred twelve".