212320340104 has 16 divisors (see below), whose sum is σ = 407358792720. Its totient is φ = 103691328720.

The previous prime is 212320340087. The next prime is 212320340129. The reversal of 212320340104 is 401043023212.

It is a super-3 number, since 3×212320340104³ (a number of 35 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 308604802 + ... + 308605489.

It is an arithmetic number, because the mean of its divisors is an integer number (25459924545).

Almost surely, 2^212320340104 is an apocalyptic number.

It is an amenable number.

212320340104 is a deficient number, since it is larger than the sum of its proper divisors (195038452616).

212320340104 is a wasteful number, since it uses less digits than its factorization.

212320340104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617210340 (or 617210336 counting only the distinct ones).

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

Adding to 212320340104 its reverse (401043023212), we get a palindrome (613363363316).

The spelling of 212320340104 in words is "two hundred twelve billion, three hundred twenty million, three hundred forty thousand, one hundred four".