212320110 has 32 divisors (see below), whose sum is σ = 511104672. Its totient is φ = 56448000.

The previous prime is 212320081. The next prime is 212320127. The reversal of 212320110 is 11023212.

It is a super-2 number, since 2×212320110² = 90159658220824200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391 + ... + 20610.

It is an arithmetic number, because the mean of its divisors is an integer number (15972021).

Almost surely, 2^212320110 is an apocalyptic number.

212320110 is an abundant number, since it is smaller than the sum of its proper divisors (298784562).

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

212320110 is a wasteful number, since it uses less digits than its factorization.

212320110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21348.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212320110 is about 14571.2082546370. The cubic root of 212320110 is about 596.5731596477.

Adding to 212320110 its reverse (11023212), we get a palindrome (223343322).

The spelling of 212320110 in words is "two hundred twelve million, three hundred twenty thousand, one hundred ten".