213231330312112 has 60 divisors (see below), whose sum is σ = 483769121269296. Its totient is φ = 90779658076800.

The previous prime is 213231330312101. The next prime is 213231330312151. The reversal of 213231330312112 is 211213033132312.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 900473463 + ... + 900710230.

Almost surely, 2^{213231330312112} is an apocalyptic number.

It is an amenable number.

213231330312112 is an abundant number, since it is smaller than the sum of its proper divisors (270537790957184).

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

213231330312112 is a wasteful number, since it uses less digits than its factorization.

213231330312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801183866 (or 1801183853 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 213231330312112 its reverse (211213033132312), we get a palindrome (424444363444424).

The spelling of 213231330312112 in words is "two hundred thirteen trillion, two hundred thirty-one billion, three hundred thirty million, three hundred twelve thousand, one hundred twelve".