212260124424 has 192 divisors, whose sum is σ = 604204064640. Its totient is φ = 61894010880.

The previous prime is 212260124387. The next prime is 212260124437. The reversal of 212260124424 is 424421062212.

It is a super-2 number, since 2×212260124424² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212260124391 and 212260124400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7792669 + ... + 7819859.

It is an arithmetic number, because the mean of its divisors is an integer number (3146896170).

Almost surely, 2^212260124424 is an apocalyptic number.

212260124424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212260124424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302102032320).

212260124424 is an abundant number, since it is smaller than the sum of its proper divisors (391943940216).

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

212260124424 is a wasteful number, since it uses less digits than its factorization.

212260124424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27308 (or 27285 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 212260124424 its reverse (424421062212), we get a palindrome (636681186636).

The spelling of 212260124424 in words is "two hundred twelve billion, two hundred sixty million, one hundred twenty-four thousand, four hundred twenty-four".