213123033342 has 12 divisors (see below), whose sum is σ = 461766572280. Its totient is φ = 71041011108.

The previous prime is 213123033313. The next prime is 213123033353. The reversal of 213123033342 is 243330321312.

213123033342 is a `hidden beast` number, since 2 + 1 + 3 + 12 + 303 + 3 + 342 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5920084242 + ... + 5920084277.

It is an arithmetic number, because the mean of its divisors is an integer number (38480547690).

Almost surely, 2^213123033342 is an apocalyptic number.

213123033342 is an abundant number, since it is smaller than the sum of its proper divisors (248643538938).

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

213123033342 is a wasteful number, since it uses less digits than its factorization.

213123033342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11840168527 (or 11840168524 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 213123033342 its reverse (243330321312), we get a palindrome (456453354654).

The spelling of 213123033342 in words is "two hundred thirteen billion, one hundred twenty-three million, thirty-three thousand, three hundred forty-two".