212313434434234 has 32 divisors (see below), whose sum is σ = 376945192636416. Its totient is φ = 87801180537840.

The previous prime is 212313434434229. The next prime is 212313434434261. The reversal of 212313434434234 is 432434434313212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2272240564 + ... + 2272333999.

It is an arithmetic number, because the mean of its divisors is an integer number (11779537269888).

Almost surely, 2^{212313434434234} is an apocalyptic number.

212313434434234 is a deficient number, since it is larger than the sum of its proper divisors (164631758202182).

212313434434234 is a wasteful number, since it uses less digits than its factorization.

212313434434234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544574690.

The product of its digits is 1990656, while the sum is 43.

Adding to 212313434434234 its reverse (432434434313212), we get a palindrome (644747868747446).

The spelling of 212313434434234 in words is "two hundred twelve trillion, three hundred thirteen billion, four hundred thirty-four million, four hundred thirty-four thousand, two hundred thirty-four".