212234223432 has 128 divisors (see below), whose sum is σ = 682848460800. Its totient is φ = 53347507200.

The previous prime is 212234223427. The next prime is 212234223433. The reversal of 212234223432 is 234322432212.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 212234223432.

It is not an unprimeable number, because it can be changed into a prime (212234223433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1795057 + ... + 1909632.

It is an arithmetic number, because the mean of its divisors is an integer number (5334753600).

Almost surely, 2^212234223432 is an apocalyptic number.

212234223432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212234223432 is an abundant number, since it is smaller than the sum of its proper divisors (470614237368).

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

212234223432 is a wasteful number, since it uses less digits than its factorization.

212234223432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704747 (or 3704743 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

Adding to 212234223432 its reverse (234322432212), we get a palindrome (446556655644).

The spelling of 212234223432 in words is "two hundred twelve billion, two hundred thirty-four million, two hundred twenty-three thousand, four hundred thirty-two".