212223340100 has 36 divisors (see below), whose sum is σ = 460632017664. Its totient is φ = 84869544480.

The previous prime is 212223340099. The next prime is 212223340117. The reversal of 212223340100 is 1043322212.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187469 + ... + 677931.

It is an arithmetic number, because the mean of its divisors is an integer number (12795333824).

Almost surely, 2^212223340100 is an apocalyptic number.

212223340100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212223340100 is an abundant number, since it is smaller than the sum of its proper divisors (248408677564).

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

212223340100 is a wasteful number, since it uses less digits than its factorization.

212223340100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494804 (or 494797 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212223340100 its reverse (1043322212), we get a palindrome (213266662312).

The spelling of 212223340100 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred forty thousand, one hundred".