212134202320 has 40 divisors (see below), whose sum is σ = 493260241824. Its totient is φ = 84845384832.

The previous prime is 212134202237. The next prime is 212134202333. The reversal of 212134202320 is 23202431212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 212134202291 and 212134202300.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 729067 + ... + 977653.

Almost surely, 2^212134202320 is an apocalyptic number.

212134202320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212134202320 is an abundant number, since it is smaller than the sum of its proper divisors (281126039504).

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

212134202320 is a wasteful number, since it uses less digits than its factorization.

212134202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259267 (or 259261 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 212134202320 its reverse (23202431212), we get a palindrome (235336633532).

The spelling of 212134202320 in words is "two hundred twelve billion, one hundred thirty-four million, two hundred two thousand, three hundred twenty".