34543123212 has 24 divisors (see below), whose sum is σ = 86800668976. Its totient is φ = 10628653248.

The previous prime is 34543123171. The next prime is 34543123247. The reversal of 34543123212 is 21232134543.

It is a super-2 number, since 2×34543123212² (a number of 22 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 34543123212.

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, 110714983 + ... + 110715294.

Almost surely, 2^34543123212 is an apocalyptic number.

It is an amenable number.

34543123212 is an abundant number, since it is smaller than the sum of its proper divisors (52257545764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34543123212 is a wasteful number, since it uses less digits than its factorization.

34543123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221430297 (or 221430295 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 34543123212 its reverse (21232134543), we get a palindrome (55775257755).

The spelling of 34543123212 in words is "thirty-four billion, five hundred forty-three million, one hundred twenty-three thousand, two hundred twelve".