212234040312432 has 40 divisors (see below), whose sum is σ = 580522522033296. Its totient is φ = 66583228333056.

The previous prime is 212234040312421. The next prime is 212234040312433. The reversal of 212234040312432 is 234213040432212.

It is a happy number.

It is a super-2 number, since 2×212234040312432² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212234040312393 and 212234040312402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212234040312433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130045367023 + ... + 130045368654.

Almost surely, 2^{212234040312432} is an apocalyptic number.

It is an amenable number.

212234040312432 is an abundant number, since it is smaller than the sum of its proper divisors (368288481720864).

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

212234040312432 is a wasteful number, since it uses less digits than its factorization.

212234040312432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260090735705 (or 260090735699 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 212234040312432 its reverse (234213040432212), we get a palindrome (446447080744644).

The spelling of 212234040312432 in words is "two hundred twelve trillion, two hundred thirty-four billion, forty million, three hundred twelve thousand, four hundred thirty-two".