212440230334 has 4 divisors (see below), whose sum is σ = 318660345504. Its totient is φ = 106220115166.

The previous prime is 212440230323. The next prime is 212440230361. The reversal of 212440230334 is 433032044212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53110057582 + ... + 53110057585.

It is an arithmetic number, because the mean of its divisors is an integer number (79665086376).

Almost surely, 2^212440230334 is an apocalyptic number.

212440230334 is a deficient number, since it is larger than the sum of its proper divisors (106220115170).

212440230334 is a wasteful number, since it uses less digits than its factorization.

212440230334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106220115169.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 212440230334 its reverse (433032044212), we get a palindrome (645472274546).

The spelling of 212440230334 in words is "two hundred twelve billion, four hundred forty million, two hundred thirty thousand, three hundred thirty-four".