213404021012430 has 64 divisors (see below), whose sum is σ = 569835149414400. Its totient is φ = 56831962932000.

The previous prime is 213404021012383. The next prime is 213404021012473. The reversal of 213404021012430 is 34210120404312.

213404021012430 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 0 + 4 + 0 + 210 + 12 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 213404021012394 and 213404021012403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526019110 + ... + 526424649.

It is an arithmetic number, because the mean of its divisors is an integer number (8903674209600).

Almost surely, 2^{213404021012430} is an apocalyptic number.

213404021012430 is an abundant number, since it is smaller than the sum of its proper divisors (356431128401970).

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

213404021012430 is a wasteful number, since it uses less digits than its factorization.

213404021012430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052444526 (or 1052444520 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 213404021012430 its reverse (34210120404312), we get a palindrome (247614141416742).

The spelling of 213404021012430 in words is "two hundred thirteen trillion, four hundred four billion, twenty-one million, twelve thousand, four hundred thirty".