212323400032 has 24 divisors (see below), whose sum is σ = 420779992752. Its totient is φ = 105458640000.

The previous prime is 212323400021. The next prime is 212323400077. The reversal of 212323400032 is 230004323212.

It is a super-2 number, since 2×212323400032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212323399976 and 212323400012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21965719 + ... + 21975382.

It is an arithmetic number, because the mean of its divisors is an integer number (17532499698).

Almost surely, 2^212323400032 is an apocalyptic number.

It is an amenable number.

212323400032 is a deficient number, since it is larger than the sum of its proper divisors (208456592720).

212323400032 is a wasteful number, since it uses less digits than its factorization.

212323400032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43941262 (or 43941254 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 212323400032 its reverse (230004323212), we get a palindrome (442327723244).

The spelling of 212323400032 in words is "two hundred twelve billion, three hundred twenty-three million, four hundred thousand, thirty-two".