212413421344 has 96 divisors (see below), whose sum is σ = 443664587520. Its totient is φ = 99934636032.

The previous prime is 212413421327. The next prime is 212413421347. The reversal of 212413421344 is 443124314212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212413421347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18469804 + ... + 18481300.

It is an arithmetic number, because the mean of its divisors is an integer number (4621506120).

Almost surely, 2^212413421344 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 212413421344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221832293760).

212413421344 is an abundant number, since it is smaller than the sum of its proper divisors (231251166176).

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

212413421344 is a wasteful number, since it uses less digits than its factorization.

212413421344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12042 (or 12034 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 212413421344 its reverse (443124314212), we get a palindrome (655537735556).

The spelling of 212413421344 in words is "two hundred twelve billion, four hundred thirteen million, four hundred twenty-one thousand, three hundred forty-four".