213330191232 has 96 divisors (see below), whose sum is σ = 585528288840. Its totient is φ = 68816071680.

The previous prime is 213330191231. The next prime is 213330191279. The reversal of 213330191232 is 232191033312.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 213330191232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213330191231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79978 + ... + 658070.

Almost surely, 2^213330191232 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 213330191232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292764144420).

213330191232 is an abundant number, since it is smaller than the sum of its proper divisors (372198097608).

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

213330191232 is an equidigital number, since it uses as much as digits as its factorization.

213330191232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578172 (or 578129 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 213330191232 in words is "two hundred thirteen billion, three hundred thirty million, one hundred ninety-one thousand, two hundred thirty-two".