16275521212 has 12 divisors (see below), whose sum is σ = 29176849296. Its totient is φ = 7939278560.

The previous prime is 16275521179. The next prime is 16275521219. The reversal of 16275521212 is 21212557261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16275521219) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49620328 + ... + 49620655.

It is an arithmetic number, because the mean of its divisors is an integer number (2431404108).

Almost surely, 2^16275521212 is an apocalyptic number.

It is an amenable number.

16275521212 is a deficient number, since it is larger than the sum of its proper divisors (12901328084).

16275521212 is a wasteful number, since it uses less digits than its factorization.

16275521212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99241028 (or 99241026 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The spelling of 16275521212 in words is "sixteen billion, two hundred seventy-five million, five hundred twenty-one thousand, two hundred twelve".