16234423212 has 48 divisors (see below), whose sum is σ = 43839810560. Its totient is φ = 4579690752.

The previous prime is 16234423189. The next prime is 16234423301. The reversal of 16234423212 is 21232443261.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16234423212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216573 + ... + 1229844.

Almost surely, 2^16234423212 is an apocalyptic number.

16234423212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16234423212 is an abundant number, since it is smaller than the sum of its proper divisors (27605387348).

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

16234423212 is a wasteful number, since it uses less digits than its factorization.

16234423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446510 (or 2446508 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 16234423212 its reverse (21232443261), we get a palindrome (37466866473).

The spelling of 16234423212 in words is "sixteen billion, two hundred thirty-four million, four hundred twenty-three thousand, two hundred twelve".