213322012431232 has 96 divisors (see below), whose sum is σ = 427809956815800. Its totient is φ = 105951500144640.

The previous prime is 213322012431193. The next prime is 213322012431247. The reversal of 213322012431232 is 232134210223312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213322012431194 and 213322012431203.

It is a congruent number.

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, 25212383482 + ... + 25212391942.

Almost surely, 2^{213322012431232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213322012431232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213904978407900).

213322012431232 is an abundant number, since it is smaller than the sum of its proper divisors (214487944384568).

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

213322012431232 is an frugal number, since it uses more digits than its factorization.

213322012431232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10752 (or 9691 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 213322012431232 its reverse (232134210223312), we get a palindrome (445456222654544).

The spelling of 213322012431232 in words is "two hundred thirteen trillion, three hundred twenty-two billion, twelve million, four hundred thirty-one thousand, two hundred thirty-two".