212304023434 has 16 divisors (see below), whose sum is σ = 321686372736. Its totient is φ = 105075738000.

The previous prime is 212304023419. The next prime is 212304023489. The reversal of 212304023434 is 434320403212.

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, 730459 + ... + 978865.

It is an arithmetic number, because the mean of its divisors is an integer number (20105398296).

Almost surely, 2^212304023434 is an apocalyptic number.

212304023434 is a deficient number, since it is larger than the sum of its proper divisors (109382349302).

212304023434 is a wasteful number, since it uses less digits than its factorization.

212304023434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252741.

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

Adding to 212304023434 its reverse (434320403212), we get a palindrome (646624426646).

The spelling of 212304023434 in words is "two hundred twelve billion, three hundred four million, twenty-three thousand, four hundred thirty-four".