212430204134 has 8 divisors (see below), whose sum is σ = 319978550880. Its totient is φ = 105770687176.

The previous prime is 212430204097. The next prime is 212430204149. The reversal of 212430204134 is 431402034212.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 222206849 + ... + 222207804.

It is an arithmetic number, because the mean of its divisors is an integer number (39997318860).

Almost surely, 2^212430204134 is an apocalyptic number.

212430204134 is a deficient number, since it is larger than the sum of its proper divisors (107548346746).

212430204134 is a wasteful number, since it uses less digits than its factorization.

212430204134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444414894.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212430204134 its reverse (431402034212), we get a palindrome (643832238346).

The spelling of 212430204134 in words is "two hundred twelve billion, four hundred thirty million, two hundred four thousand, one hundred thirty-four".