213402524052 has 12 divisors (see below), whose sum is σ = 497939222816. Its totient is φ = 71134174680.

The previous prime is 213402524021. The next prime is 213402524081. The reversal of 213402524052 is 250425204312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 8891771824 + ... + 8891771847.

Almost surely, 2^213402524052 is an apocalyptic number.

It is an amenable number.

213402524052 is an abundant number, since it is smaller than the sum of its proper divisors (284536698764).

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

213402524052 is a wasteful number, since it uses less digits than its factorization.

213402524052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17783543678 (or 17783543676 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 213402524052 its reverse (250425204312), we get a palindrome (463827728364).

The spelling of 213402524052 in words is "two hundred thirteen billion, four hundred two million, five hundred twenty-four thousand, fifty-two".