212233300420 has 24 divisors (see below), whose sum is σ = 447653332224. Its totient is φ = 84519338976.

The previous prime is 212233300381. The next prime is 212233300429. The reversal of 212233300420 is 24003332212.

It is a junction number, because it is equal to n+sod(n) for n = 212233300391 and 212233300400.

It is not an unprimeable number, because it can be changed into a prime (212233300429) by changing a digit.

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, 23369172 + ... + 23378251.

It is an arithmetic number, because the mean of its divisors is an integer number (18652222176).

Almost surely, 2^212233300420 is an apocalyptic number.

212233300420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212233300420 is an abundant number, since it is smaller than the sum of its proper divisors (235420031804).

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

212233300420 is a wasteful number, since it uses less digits than its factorization.

212233300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46747659 (or 46747657 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 212233300420 its reverse (24003332212), we get a palindrome (236236632632).

The spelling of 212233300420 in words is "two hundred twelve billion, two hundred thirty-three million, three hundred thousand, four hundred twenty".