212603693004 has 48 divisors (see below), whose sum is σ = 551348582400. Its totient is φ = 70848120528.

The previous prime is 212603692913. The next prime is 212603693017. The reversal of 212603693004 is 400396306212.

212603693004 is a `hidden beast` number, since 2 + 1 + 260 + 369 + 30 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 212603693004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116677 + ... + 662435.

It is an arithmetic number, because the mean of its divisors is an integer number (11486428800).

Almost surely, 2^212603693004 is an apocalyptic number.

It is an amenable number.

212603693004 is an abundant number, since it is smaller than the sum of its proper divisors (338744889396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212603693004 is a wasteful number, since it uses less digits than its factorization.

212603693004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549379 (or 549371 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 212603693004 its reverse (400396306212), we get a palindrome (612999999216).

The spelling of 212603693004 in words is "two hundred twelve billion, six hundred three million, six hundred ninety-three thousand, four".