212254030544 has 20 divisors (see below), whose sum is σ = 411249419424. Its totient is φ = 106125148128.

The previous prime is 212254030543. The next prime is 212254030561. The reversal of 212254030544 is 445030452212.

It is a self number, because there is not a number n which added to its sum of digits gives 212254030544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212254030543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499099 + ... + 1634565.

Almost surely, 2^212254030544 is an apocalyptic number.

It is an amenable number.

212254030544 is a deficient number, since it is larger than the sum of its proper divisors (198995388880).

212254030544 is a wasteful number, since it uses less digits than its factorization.

212254030544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233402 (or 233396 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 212254030544 its reverse (445030452212), we get a palindrome (657284482756).

The spelling of 212254030544 in words is "two hundred twelve billion, two hundred fifty-four million, thirty thousand, five hundred forty-four".