212331030320 has 20 divisors (see below), whose sum is σ = 493669645680. Its totient is φ = 84932412096.

The previous prime is 212331030313. The next prime is 212331030337. The reversal of 212331030320 is 23030133212.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 212331030292 and 212331030301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327068860 + ... + 1327069019.

It is an arithmetic number, because the mean of its divisors is an integer number (24683482284).

Almost surely, 2^212331030320 is an apocalyptic number.

212331030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212331030320 is an abundant number, since it is smaller than the sum of its proper divisors (281338615360).

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

212331030320 is a wasteful number, since it uses less digits than its factorization.

212331030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654137892 (or 2654137886 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 212331030320 its reverse (23030133212), we get a palindrome (235361163532).

The spelling of 212331030320 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, three hundred twenty".