16021112124 has 12 divisors (see below), whose sum is σ = 37382594984. Its totient is φ = 5340370704.

The previous prime is 16021112123. The next prime is 16021112143. The reversal of 16021112124 is 42121112061.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 16021112124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16021112123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667546327 + ... + 667546350.

Almost surely, 2^16021112124 is an apocalyptic number.

It is an amenable number.

16021112124 is an abundant number, since it is smaller than the sum of its proper divisors (21361482860).

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

16021112124 is a wasteful number, since it uses less digits than its factorization.

16021112124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335092684 (or 1335092682 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 16021112124 its reverse (42121112061), we get a palindrome (58142224185).

The spelling of 16021112124 in words is "sixteen billion, twenty-one million, one hundred twelve thousand, one hundred twenty-four".