212204202443404 has 24 divisors (see below), whose sum is σ = 372816708385968. Its totient is φ = 105685174763520.

The previous prime is 212204202443381. The next prime is 212204202443411. The reversal of 212204202443404 is 404344202402212.

It is a self number, because there is not a number n which added to its sum of digits gives 212204202443404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22761844 + ... + 30700324.

It is an arithmetic number, because the mean of its divisors is an integer number (15534029516082).

Almost surely, 2^{212204202443404} is an apocalyptic number.

It is an amenable number.

212204202443404 is a deficient number, since it is larger than the sum of its proper divisors (160612505942564).

212204202443404 is a wasteful number, since it uses less digits than its factorization.

212204202443404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964745 (or 7964743 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 212204202443404 its reverse (404344202402212), we get a palindrome (616548404845616).

The spelling of 212204202443404 in words is "two hundred twelve trillion, two hundred four billion, two hundred two million, four hundred forty-three thousand, four hundred four".