212330234442 has 16 divisors (see below), whose sum is σ = 425320912800. Its totient is φ = 70666670832.

The previous prime is 212330234407. The next prime is 212330234489. The reversal of 212330234442 is 244432033212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27514317 + ... + 27522032.

It is an arithmetic number, because the mean of its divisors is an integer number (26582557050).

Almost surely, 2^212330234442 is an apocalyptic number.

212330234442 is an abundant number, since it is smaller than the sum of its proper divisors (212990678358).

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

212330234442 is a wasteful number, since it uses less digits than its factorization.

212330234442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55036997.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 212330234442 its reverse (244432033212), we get a palindrome (456762267654).

The spelling of 212330234442 in words is "two hundred twelve billion, three hundred thirty million, two hundred thirty-four thousand, four hundred forty-two".