212430403552 has 48 divisors (see below), whose sum is σ = 426420644832. Its totient is φ = 104144094720.

The previous prime is 212430403543. The next prime is 212430403567. The reversal of 212430403552 is 255304034212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447133 + ... + 790435.

It is an arithmetic number, because the mean of its divisors is an integer number (8883763434).

Almost surely, 2^212430403552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212430403552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213210322416).

212430403552 is an abundant number, since it is smaller than the sum of its proper divisors (213990241280).

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

212430403552 is a wasteful number, since it uses less digits than its factorization.

212430403552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343691 (or 343683 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 212430403552 its reverse (255304034212), we get a palindrome (467734437764).

The spelling of 212430403552 in words is "two hundred twelve billion, four hundred thirty million, four hundred three thousand, five hundred fifty-two".