212100314440 has 32 divisors (see below), whose sum is σ = 545400809280. Its totient is φ = 72720107712.

The previous prime is 212100314401. The next prime is 212100314467. The reversal of 212100314440 is 44413001212.

It is a happy 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, 378750282 + ... + 378750841.

It is an arithmetic number, because the mean of its divisors is an integer number (17043775290).

Almost surely, 2^212100314440 is an apocalyptic number.

212100314440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100314440 is an abundant number, since it is smaller than the sum of its proper divisors (333300494840).

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

212100314440 is a wasteful number, since it uses less digits than its factorization.

212100314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757501141 (or 757501137 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212100314440 its reverse (44413001212), we get a palindrome (256513315652).

The spelling of 212100314440 in words is "two hundred twelve billion, one hundred million, three hundred fourteen thousand, four hundred forty".