212357144432 has 10 divisors (see below), whose sum is σ = 411441967368. Its totient is φ = 106178572208.

The previous prime is 212357144407. The next prime is 212357144491. The reversal of 212357144432 is 234441753212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6636160748 + ... + 6636160779.

Almost surely, 2^212357144432 is an apocalyptic number.

It is an amenable number.

212357144432 is a deficient number, since it is larger than the sum of its proper divisors (199084822936).

212357144432 is a wasteful number, since it uses less digits than its factorization.

212357144432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272321535 (or 13272321529 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

Adding to 212357144432 its reverse (234441753212), we get a palindrome (446798897644).

The spelling of 212357144432 in words is "two hundred twelve billion, three hundred fifty-seven million, one hundred forty-four thousand, four hundred thirty-two".