212212432332032 has 144 divisors (see below), whose sum is σ = 469707772653504. Its totient is φ = 94873294848000.

The previous prime is 212212432332011. The next prime is 212212432332113. The reversal of 212212432332032 is 230233234212212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 212212432332032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4639818668 + ... + 4639864404.

It is an arithmetic number, because the mean of its divisors is an integer number (3261859532316).

Almost surely, 2^{212212432332032} is an apocalyptic number.

212212432332032 is a gapful number since it is divisible by the number (22) 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 212212432332032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234853886326752).

212212432332032 is an abundant number, since it is smaller than the sum of its proper divisors (257495340321472).

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

212212432332032 is a wasteful number, since it uses less digits than its factorization.

212212432332032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72836 (or 72822 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 212212432332032 its reverse (230233234212212), we get a palindrome (442445666544244).

The spelling of 212212432332032 in words is "two hundred twelve trillion, two hundred twelve billion, four hundred thirty-two million, three hundred thirty-two thousand, thirty-two".