212043143100434 has 16 divisors (see below), whose sum is σ = 319492121340672. Its totient is φ = 105545772616848.

The previous prime is 212043143100377. The next prime is 212043143100473. The reversal of 212043143100434 is 434001341340212.

It is a super-2 number, since 2×212043143100434² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212043143100434.

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, 165632492 + ... + 166907784.

It is an arithmetic number, because the mean of its divisors is an integer number (19968257583792).

Almost surely, 2^{212043143100434} is an apocalyptic number.

212043143100434 is a deficient number, since it is larger than the sum of its proper divisors (107448978240238).

212043143100434 is a wasteful number, since it uses less digits than its factorization.

212043143100434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648321.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 212043143100434 its reverse (434001341340212), we get a palindrome (646044484440646).

The spelling of 212043143100434 in words is "two hundred twelve trillion, forty-three billion, one hundred forty-three million, one hundred thousand, four hundred thirty-four".