212554400144 has 20 divisors (see below), whose sum is σ = 411918675696. Its totient is φ = 106252806432.

The previous prime is 212554400089. The next prime is 212554400161. The reversal of 212554400144 is 441004455212.

It is a self number, because there is not a number n which added to its sum of digits gives 212554400144.

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, 1452614 + ... + 1592229.

Almost surely, 2^212554400144 is an apocalyptic number.

It is an amenable number.

212554400144 is a deficient number, since it is larger than the sum of its proper divisors (199364275552).

212554400144 is a wasteful number, since it uses less digits than its factorization.

212554400144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049214 (or 3049208 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 212554400144 its reverse (441004455212), we get a palindrome (653558855356).

The spelling of 212554400144 in words is "two hundred twelve billion, five hundred fifty-four million, four hundred thousand, one hundred forty-four".