212140334134 has 16 divisors (see below), whose sum is σ = 320141572128. Its totient is φ = 105426578752.

The previous prime is 212140334039. The next prime is 212140334183. The reversal of 212140334134 is 431433041212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7378074 + ... + 7406770.

It is an arithmetic number, because the mean of its divisors is an integer number (20008848258).

Almost surely, 2^212140334134 is an apocalyptic number.

212140334134 is a deficient number, since it is larger than the sum of its proper divisors (108001237994).

212140334134 is a wasteful number, since it uses less digits than its factorization.

212140334134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50999.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 212140334134 its reverse (431433041212), we get a palindrome (643573375346).

The spelling of 212140334134 in words is "two hundred twelve billion, one hundred forty million, three hundred thirty-four thousand, one hundred thirty-four".