212433104420 has 12 divisors (see below), whose sum is σ = 446109519324. Its totient is φ = 84973241760.

The previous prime is 212433104353. The next prime is 212433104431. The reversal of 212433104420 is 24401334212.

It can be written as a sum of positive squares in 2 ways, for example, as 26920277476 + 185512826944 = 164074^2 + 430712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212433104420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5310827591 + ... + 5310827630.

It is an arithmetic number, because the mean of its divisors is an integer number (37175793277).

Almost surely, 2^212433104420 is an apocalyptic number.

212433104420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212433104420 is an abundant number, since it is smaller than the sum of its proper divisors (233676414904).

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

212433104420 is a wasteful number, since it uses less digits than its factorization.

212433104420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621655230 (or 10621655228 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212433104420 its reverse (24401334212), we get a palindrome (236834438632).

The spelling of 212433104420 in words is "two hundred twelve billion, four hundred thirty-three million, one hundred four thousand, four hundred twenty".