213233115132 has 36 divisors (see below), whose sum is σ = 542883683160. Its totient is φ = 70566352992.

The previous prime is 213233115101. The next prime is 213233115143. The reversal of 213233115132 is 231511332312.

213233115132 is a `hidden beast` number, since 2 + 132 + 3 + 3 + 11 + 513 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×213233115132² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213233115096 and 213233115105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21301263 + ... + 21311270.

It is an arithmetic number, because the mean of its divisors is an integer number (15080102310).

Almost surely, 2^213233115132 is an apocalyptic number.

It is an amenable number.

213233115132 is an abundant number, since it is smaller than the sum of its proper divisors (329650568028).

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

213233115132 is a wasteful number, since it uses less digits than its factorization.

213233115132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42612682 (or 42612677 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

Adding to 213233115132 its reverse (231511332312), we get a palindrome (444744447444).

The spelling of 213233115132 in words is "two hundred thirteen billion, two hundred thirty-three million, one hundred fifteen thousand, one hundred thirty-two".